Term ends Dec 4, 2026 · High confidence
Filed Jun 8, 2010 as application 29/363,301 · Granted Dec 4, 2012
Base term, 14 years from grant
Today
2012
2026
Clock starts
Dec 4, 2012
Dec 4, 2012
Term ends
Dec 4, 2026
Dec 4, 2026
base term
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.
14 years from grant
Base term
No maintenance fees are payable on this kind of patent.
11
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 base term, 14 years from grant, with no adjustment for prosecution delay. No maintenance fees are payable on this kind of patent. 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, 14 years from grant | Granted Dec 4, 2012 | 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 |
| Computed term end | The steps above, in order | Dec 4, 2026 | High confidence |
This family
| US 7,387,763 | Lapsed on the fee record Jun 2020 | Jun 2020 |
| US 8,021,604 | Lapsed on the fee record Sep 2019 | Sep 2019 |
| US D618,760 | Term ended Jun 2024 | Jun 2024 |
| US 8,568,593 | In force Sep 2031 | Sep 2031 |
| US D672,009 | this patent Dec 2026 | Dec 2026 |
| US 8,206,645 | Lapsed on the fee record Jun 2020 | Jun 2020 |
| US D718,412 | In force Nov 2028 | Nov 2028 |
| US D762,279 | In force Jul 2030 | Jul 2030 |
8 of 11 applications in this family shown, earliest filings first. 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 18, 2017 Reel 43611, frame 405 | Entex Technologies Inc. | Nexom Inc., a Manitoba Corporation C/O Nexom (US), Inc. | Assignment of Assignor's Interest |
| Nov 18, 2019 Reel 51040, frame 210 | Flournoy, Wayne J.; Pehrson, Richard L. | Entex Technologies, Inc. | Assignment of Assignor's Interest |
| Jul 29, 2021 Reel 57650, frame 169 | Environmental Dynamics International, Inc.; Environmental Operating Solutions, Inc.; Nexom Inc.; Nexom (US), Inc. | Wells Fargo Bank, National Association | Security Interest |
| Jun 3, 2026 reel/frame not recorded | Wells Fargo Bank | Environmental Dynamics International, Inc. | Termination and Release of Patent Security Agreement Reel-Frame 57650/0169 |
| Jun 3, 2026 reel/frame not recorded | Wells Fargo Bank | Environmental Operating Solutions, Inc. | Termination and Release of Patent Security Agreement Reel-Frame 57650/0169 |
| Jun 3, 2026 reel/frame not recorded | Wells Fargo Bank | Nexom Inc. | Termination and Release of Patent Security Agreement Reel-Frame 57650/0169 |
| Jun 3, 2026 reel/frame not recorded | Wells Fargo Bank | Nexom (US), Inc. | Termination and Release of Patent Security Agreement Reel-Frame 57650/0169 |
| Jun 3, 2026 Reel 75874, frame 334 | Wells Fargo Bank | Environmental Dynamics International, Inc.; Environmental Operating Solutions, Inc.; Nexom Inc.; Nexom (US), Inc. | Termination and Release of Patent Security Agreement Reel-Frame 57650/0169 |
Sources
Google Patents · The patent document at USPTO · Assignment records at USPTO
USPTO account required: This application in Patent Center
No maintenance fees are payable on this kind of patent, so the record carries no fee events.
What's changing
Dec 2026
Term ends Dec 4, 2026. No maintenance fees are payable on this kind of patent
Citations
17
later US patents cite this one
That is above the median of design patents granted in 2012 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.