Also listed on Saco Technologies, an earlier holder on the record. The recorded assignments below show how it moved.
Term ends Feb 15, 2028 · High confidence
20-year base term ends Jul 31, 2027
Filed May 13, 2010 as application 12/779,179 · Granted Dec 10, 2013
Base term plus 530 days of patent term adjustment (USPTO delay) · capped by a resolved terminal disclaimer
Today
2007
2028
Clock starts
Jul 31, 2007
Jul 31, 2007
Term ends
Feb 15, 2028
Feb 15, 2028
Granted
Dec 10, 2013
Dec 10, 2013
base term
patent term adjustment
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
530
Days of term adjustment
Read from the USPTO patent term adjustment record, not recalculated here.
Capped
Terminal disclaimer
Resolved from the filed document, referencing US 7,598,683.
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.
7
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 runs 530 days past its 20-year base term on prosecution delay. A terminal disclaimer resolved from the filed document caps it earlier. 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 Jul 31, 2007, when application 11/882,323, the earliest non-provisional in its chain, was filed (this one was filed May 13, 2010) | Jul 31, 2027 | High confidence |
| Continuity chain | Every parent in the chain resolved | no change | High confidence |
| Patent term adjustment | +530 days, USPTO patent term adjustment record | Jan 11, 2029 | High confidence |
| Terminal disclaimer cap | Disclaimer resolved from the filed document (refs US 7,598,683) | capped to Feb 15, 2028 | 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 | Feb 15, 2028 | High confidence |
This family
| US 7,598,683 | In force Feb 2028 | Feb 2028 |
| US 8,421,368 | In force Aug 2027 | Aug 2027 |
| US 8,903,577 | In force Nov 2031 | Nov 2031 |
| US 8,604,709 | this patent Feb 2028 | Feb 2028 |
| Application PCT/US2010/053653 | PCT application no patent term | no patent term |
| Application PCT/US2011/029170 | PCT application no patent term | no patent term |
| Application 14/517,354 | Abandoned not computed | not computed |
The applications whose file history this site holds. The family may have others.
Assignments
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 |
|---|---|---|---|
| May 4, 2001 Reel 11731, frame 97 | Ames True Temper Properties, Inc.; Ames True Temper, Inc.; Architectural Area Lighting, Inc.; Arrow Consolidated Corporation; Asteria Company; Bathcraft, Inc.; Baylis Brothers, Inc.; Bruckner Manufacturing Corp.; Carlsbad Corp.; Columbia Lighting MFG. Co.; Columbia Lighting Properties, Inc.; Columbia Lighting, Inc.; Columbia Lighting Lca, Inc.; Columbia Materials, LLC; Compax Corp.; Dual-Lite Inc.; Eljer Industries, Inc.; Eljer Plumbingware, Inc.; Environmental Energy Company; Ez Holdings, Inc.; Gary Concrete Products, Inc.; Gatsby Spas, Inc.; HL Capital Corp.; Ixl Manufacturing Company, Inc.; Jacuzzi; Jacuzzi Whirlpool Bath, Inc.; Jusi Holdings, Inc.; Kim Lighting Inc.; Kli, Inc.; Lca (NS) Inc.; Lca Group Inc.; Lighting Corporation of America, Inc.; Lokelani Development Corporation; Luxor Industries, Inc.; Maili Kai Land Development Corporation; Mobilite, Inc.; Nepco of Australia, Inc.; Nepco of Canada, Inc.; Nepco of Ford Heights, Inc.; Nepco of Fulton, Inc.; Nepco of Pakistan, Inc.; Nissen Universal Holdings, Inc.; Outdoor Products LLC; PH Property Development Company; Prescolite Lite Controls, Inc.; Prescolite, Inc.; Progress Lighting Properties, Inc.; Progress Lighting, Inc.; Progressive Lighting, Inc. (NC); Progressive Lighting, Inc. (SC); Redmont, Inc.; Zurnacq of California, Inc.; Dual-Lite Manufacturing, Inc.; Sanitary-Dash Manufacturing Co., Inc.; Selkirk Canada U.S.A., Inc.; Selkirk Europe U.S.A., Inc.; Selkirk, Inc.; Spaulding Lighting, Inc.; Strategis Capital Management, Inc.; Streamwood Corporation; Sundance Spas, Inc.; Ta Liquidation Corp.; Trimfoot Co.; TT Liquidation Corp.; U.S. Industries, Inc.; Uge Liquidation Inc.; United States Brass Corp.; Usi American Holdings, Inc.; Usi Atlantic Corp.; Usi Capital, Inc.; Usi Funding, Inc.; Usi Global Corp.; Usi Properties, Inc.; Usi Realty Corp.; Zurco, Inc.; Zurn (Cayman Islands), Inc.; Zurn Constructors, Inc.; Zurn Devco, Inc.; Zurn Epc Services, Inc.; Zurn Golf Holding Corporation; Zurn Industries, Inc. | Wilmington Trust Company | Security Agreement |
| Jun 11, 2010 Reel 24524, frame 742 | Jalbout, Bassam D.; Wong, Brian | LSI Industries, Inc. | Assignment of Assignor's Interest |
| Jul 30, 2015 Reel 36214, frame 10 | LSI Industries Inc. | LSI Saco Technologies Inc. | Assignment of Assignor's Interest |
| Jul 30, 2015 Reel 36225, frame 927 | LSI Saco Technologies Inc. | Saco Technologies Inc. | Change of Name |
| Oct 30, 2015 Reel 36919, frame 584 | Saco Technologies Inc. | Greenvision Group Technologies Corporation | 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.
What's changing
Feb 2028
Term ends Feb 15, 2028. No further fees fall due before then
Note
The 530 days of patent term adjustment (USPTO delay) are read from the USPTO record, not recalculated by us
Disclaimer cap
This term is capped by a terminal disclaimer resolved from the filed document, referencing US 7,598,683.
Citations
212
later US patents cite this one
That is top 5% of utility patents granted in 2013 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.