Term ends Jul 17, 2029 · High confidence
20-year base term ends Jul 17, 2029
Held by Consumer Safety Technology, LLC
Filed Jul 17, 2009 as application 12/504,714 · Granted May 3, 2011
Base term, 20 years from filing
Today
2009
2029
Clock starts
Jul 17, 2009
Jul 17, 2009
Term ends
Jul 17, 2029
Jul 17, 2029
Granted
May 3, 2011
May 3, 2011
base term
fee events
Updated Nov 15, 2026 · includes USPTO assignment & status data published Nov 15, 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.
5
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 Jul 17, 2009, when this application, 12/504,714, was filed | Jul 17, 2029 | 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 | Jul 17, 2029 | High confidence |
This family
| US 7,934,577 | this patent Jul 2029 | Jul 2029 |
| Application 12/973,550 | Abandoned not computed | not computed |
| US 8,957,771 | In force Jun 2030 | Jun 2030 |
| Application 14/495,398 | Abandoned not computed | not computed |
| Application 15/498,916 | 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 |
|---|---|---|---|
| Sep 30, 2009 Reel 23302, frame 931 | Walter, Michael W.; Devries, Douglas E. | Consumer Safety Technology, Inc. | Assignment of Assignor's Interest |
| Jun 15, 2012 Reel 28383, frame 151 | Consumer Safety Technology, LLC | Associated Bank, N.A., as Agent | Security Agreement |
| Jun 15, 2012 Reel 28386, frame 762 | Consumer Safety Technology, Inc. | Consumer Safety Technology, LLC | Merger |
| Mar 1, 2017 Reel 41424, frame 557 | Consumer Safety Technology, LLC | Ares Capital Corporation | Security Interest |
| Mar 1, 2017 Reel 41426, frame 23 | Associated Bank, N.a. | Consumer Safety Technology, LLC | Release of Security Interest |
| Oct 4, 2019 Reel 50628, frame 935 | Consumer Safety Technology, LLC | Ares Capital Corporation | Security Interest |
| Nov 1, 2022 Reel 61617, frame 407 | Consumer Safety Technology, LLC; Alcohol Detection Systems Technology, LLC | Ares Capital Corporation | Security Interest |
| Nov 1, 2022 Reel 61830, frame 690 | Ares Capital Corporation | Consumer Safety Technology, LLC | Release of Security Interest at Reel/Frame No. 50628/0935 |
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
Jul 2029
Term ends Jul 17, 2029. No further fees fall due before then
Citations
183
later US patents cite this one
That is top 5% 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.