Also listed on Assa Abloy AB, an earlier holder on the record. The recorded assignments below show how it moved.
Term ends Dec 4, 2026 · High confidence
20-year base term ends Dec 4, 2026
Filed Apr 6, 2009 as application 12/444,471 · Granted Mar 8, 2011
Base term, 20 years from filing
Today
2006
2026
Clock starts
Dec 4, 2006
Dec 4, 2006
Term ends
Dec 4, 2026
Dec 4, 2026
Granted
Mar 8, 2011
Mar 8, 2011
base term
fee events
Updated Nov 14, 2026 · includes USPTO assignment & status data published Nov 14, 2026 and grant & fee data published Nov 10, 2026 (weekly) · how we know
None
Term adjustment
No prosecution delay on this record.
None
Terminal disclaimer
No disclaimer on this record.
3 of 3
Maintenance fees paid
Three maintenance fees fall due, at 3.5, 7.5 and 11.5 years from grant. This counts the ones the record shows paid.
3
Family applications on record here
Applications sharing this one's continuity chain whose file history this site holds. The family may have others.
This patent's term is its 20-year base term, with no adjustment for prosecution delay. All three maintenance fees are recorded paid; no more fees are due. Confidence: High. from the record
How we calculated this date
One row per rule, each showing its own input and what it did to the date. A step we could not verify says so instead of resolving itself.
| Step | Input | Date after this step | Confidence |
|---|---|---|---|
| Base term, 20 years from filing | Clock starts Dec 4, 2006, when application PCT/US2006/061556, the earliest non-provisional in its chain, was filed (this one was filed Apr 6, 2009) | Dec 4, 2026 | High confidence |
| Continuity chain | Every parent in the chain resolved | no change | High confidence |
| Patent term adjustment | None on file | no change | High confidence |
| Terminal disclaimer cap | None on record | no cap applied | High confidence |
| Patent term extension | None on file | no change | High confidence |
| Fee events | 3 of 3 maintenance fees paid | In force | High confidence |
| Computed term end | The steps above, in order | Dec 4, 2026 | High confidence |
This family
| Application 60/828,093 | Provisional application no patent term | no patent term |
| Application PCT/US2006/061556 | PCT application no patent term | no patent term |
| US 7,900,491 | this patent Dec 2026 | Dec 2026 |
The applications whose file history this site holds. The family may have others.
Assignments
The 40 most recent of 47 recorded documents are shown; the 7 earliest are not. Assignment documents as recorded at the USPTO, oldest first, with the reel and frame each was recorded at. A recorded assignment is a filed document, not a statement of current ownership, and the absence of a later one is not evidence that the last one still stands.
| Recorded | Assignor | Assignee | Conveyance |
|---|---|---|---|
| Jul 2, 2015 reel/frame not recorded | Bank of America, N.A., as Agent | Toastmaster Inc. | Release of Security Interest |
| Jul 2, 2015 reel/frame not recorded | Bank of America, N.A., as Agent | Spectrum Brands, Inc. | Release of Security Interest |
| Jul 2, 2015 reel/frame not recorded | Bank of America, N.A., as Agent | Rovcal, Inc. | Release of Security Interest |
| Jul 2, 2015 reel/frame not recorded | Bank of America, N.A., as Agent | Tetra Holding (US), Inc. | Release of Security Interest |
| Jul 2, 2015 reel/frame not recorded | Bank of America, N.A., as Agent | United Pet Group, Inc. | Release of Security Interest |
| Jul 2, 2015 reel/frame not recorded | Bank of America, N.A., as Agent | Seed Resources, L.l.c. | Release of Security Interest |
| Jul 2, 2015 reel/frame not recorded | Bank of America, N.A., as Agent | Price Pfister, Inc. | Release of Security Interest |
| Jul 2, 2015 reel/frame not recorded | Bank of America, N.A., as Agent | Kwikset Corporation | Release of Security Interest |
| Jul 2, 2015 reel/frame not recorded | Bank of America, N.A., as Agent | National Manufacturing Co. | Release of Security Interest |
| Jul 2, 2015 reel/frame not recorded | Bank of America, N.A., as Agent | Liquid Holding Company, Inc. | Release of Security Interest |
| Jul 2, 2015 reel/frame not recorded | Bank of America, N.A., as Agent | Tell Manufacturing, Inc. | Release of Security Interest |
| Jul 2, 2015 reel/frame not recorded | Bank of America, N.A., as Agent | Salix Animal Health, LLC | Release of Security Interest |
| Jul 14, 2015 Reel 36102, frame 1 | Wells Fargo Bank, National Association, as Collateral Trustee | Applica Consumer Products, Inc.; Applica Consumer Products, Inc., a Corp. of Florida; Kwikset Corporation; Liquid Holding Company, Inc.; National Manufacturing Co.; Price Pfister, Inc.; Rov Holding, Inc., a Corp. of Delaware; Rovcal, Inc.; Rovcal, Inc., a Corp. of California; Russell Hobbs, Inc., a Corp. of Delaware; Salix Animal Health, LLC; Seed Resources, L.l.c.; Spectrum Brands, Inc.; Spectrum Brands, Inc. as Successor in Interest to Rovcal, Inc.; Spectrum Brands, Inc., a Corp. of Delaware; Tell Manufacturing, Inc.; Tetra Holding (US), Inc., a Corp. of Delaware; Tetra Holdings (US), Inc.; United Industries Corporation; United Industries Corporation as Successor in Interest to Liquid Holding Company, Inc.; United Pet Group, Inc.; United Pet Group, Inc., a Corp. of Delaware | Release of Security Interest |
| Jul 14, 2015 reel/frame not recorded | Wells Fargo Bank, National Association, as Collateral Trustee | Applica Consumer Products, Inc. | Release of Security Interest |
| Jul 14, 2015 reel/frame not recorded | Wells Fargo Bank, National Association, as Collateral Trustee | Applica Consumer Products, Inc., a Corp. of Florida | Release of Security Interest |
| Jul 14, 2015 reel/frame not recorded | Wells Fargo Bank, National Association, as Collateral Trustee | Kwikset Corporation | Release of Security Interest |
| Jul 14, 2015 reel/frame not recorded | Wells Fargo Bank, National Association, as Collateral Trustee | Liquid Holding Company, Inc. | Release of Security Interest |
| Jul 14, 2015 reel/frame not recorded | Wells Fargo Bank, National Association, as Collateral Trustee | National Manufacturing Co. | Release of Security Interest |
| Jul 14, 2015 reel/frame not recorded | Wells Fargo Bank, National Association, as Collateral Trustee | Price Pfister, Inc. | Release of Security Interest |
| Jul 14, 2015 reel/frame not recorded | Wells Fargo Bank, National Association, as Collateral Trustee | Rov Holding, Inc., a Corp. of Delaware | Release of Security Interest |
| Jul 14, 2015 reel/frame not recorded | Wells Fargo Bank, National Association, as Collateral Trustee | Rovcal, Inc. | Release of Security Interest |
| Jul 14, 2015 reel/frame not recorded | Wells Fargo Bank, National Association, as Collateral Trustee | Rovcal, Inc., a Corp. of California | Release of Security Interest |
| Jul 14, 2015 reel/frame not recorded | Wells Fargo Bank, National Association, as Collateral Trustee | Russell Hobbs, Inc., a Corp. of Delaware | Release of Security Interest |
| Jul 14, 2015 reel/frame not recorded | Wells Fargo Bank, National Association, as Collateral Trustee | Salix Animal Health, LLC | Release of Security Interest |
| Jul 14, 2015 reel/frame not recorded | Wells Fargo Bank, National Association, as Collateral Trustee | Seed Resources, L.l.c. | Release of Security Interest |
| Jul 14, 2015 reel/frame not recorded | Wells Fargo Bank, National Association, as Collateral Trustee | Spectrum Brands, Inc. | Release of Security Interest |
| Jul 14, 2015 reel/frame not recorded | Wells Fargo Bank, National Association, as Collateral Trustee | Spectrum Brands, Inc. as Successor in Interest to Rovcal, Inc. | Release of Security Interest |
| Jul 14, 2015 reel/frame not recorded | Wells Fargo Bank, National Association, as Collateral Trustee | Spectrum Brands, Inc., a Corp. of Delaware | Release of Security Interest |
| Jul 14, 2015 reel/frame not recorded | Wells Fargo Bank, National Association, as Collateral Trustee | Tell Manufacturing, Inc. | Release of Security Interest |
| Jul 14, 2015 reel/frame not recorded | Wells Fargo Bank, National Association, as Collateral Trustee | Tetra Holding (US), Inc., a Corp. of Delaware | Release of Security Interest |
| Jul 14, 2015 reel/frame not recorded | Wells Fargo Bank, National Association, as Collateral Trustee | Tetra Holdings (US), Inc. | Release of Security Interest |
| Jul 14, 2015 reel/frame not recorded | Wells Fargo Bank, National Association, as Collateral Trustee | United Industries Corporation | Release of Security Interest |
| Jul 14, 2015 reel/frame not recorded | Wells Fargo Bank, National Association, as Collateral Trustee | United Industries Corporation as Successor in Interest to Liquid Holding Company, Inc. | Release of Security Interest |
| Jul 14, 2015 reel/frame not recorded | Wells Fargo Bank, National Association, as Collateral Trustee | United Pet Group, Inc. | Release of Security Interest |
| Jul 14, 2015 reel/frame not recorded | Wells Fargo Bank, National Association, as Collateral Trustee | United Pet Group, Inc., a Corp. of Delaware | Release of Security Interest |
| Jul 20, 2015 Reel 36131, frame 272 | Spectrum Brands, Inc. | Deutsche Bank AG New York Branch, as Collateral Agent | Security Interest |
| Jun 22, 2016 Reel 39116, frame 293 | Kwikset Corporation | Spectrum Brands, Inc. | Merger |
| Jun 5, 2018 Reel 46301, frame 425 | Deutsche Bank AG New York Branch | Royal Bank of Canada | Notice of Successor Agent and Assignment of Security Interest (Intellectual Property) Reel/Frame 036131/0272 |
| Jun 20, 2023 Reel 64029, frame 313 | Royal Bank of Canada | Spectrum Brands, Inc. | Release of Security Interest |
| Nov 21, 2023 Reel 65658, frame 105 | Spectrum Brands, Inc. | Assa Abloy Americas Residential Inc. | Assignment of Assignor's Interest |
Sources
Google Patents · The patent document at USPTO · Assignment records at USPTO
USPTO account required: This application in Patent Center · USPTO's maintenance fee lookup
Maintenance fee events come from USPTO's own fee records. Its fee lookup asks for the patent number and the application number.
Free plan: 3 watched companies. Pro: unlimited.
Alerts on its grants, lapses and transfers.
What's changing
Dec 2026
Term ends Dec 4, 2026. No further fees fall due before then
Citations
41
later US patents cite this one
That is top 25% of utility patents granted in 2011 in our data, the only group it is compared against.
How we rank
Every date shows its work: the base term, any term adjustment or extension, any disclaimer cap, and the maintenance fee record, each with a confidence tier. How this record was built
Computed patent terms end on the dates shown. Related patents and pending applications may cover overlapping subject matter.
In force means the term is running and no lapse is on record. It is not a finding that the patent is valid.