Term ends Nov 20, 2026 · High confidence
Held by Inhearing Technology Inc.
Filed Dec 30, 2011 as application 29/409,970 · Granted Nov 20, 2012
Base term, 14 years from grant
Today
2012
2026
Clock starts
Nov 20, 2012
Nov 20, 2012
Term ends
Nov 20, 2026
Nov 20, 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.
20
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 Nov 20, 2012 | Nov 20, 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 | Nov 20, 2026 | High confidence |
This family
| US 8,358,797 | Lapsed on the fee record Jan 2025 | Jan 2025 |
| US 8,355,517 | In force Jun 2031 | Jun 2031 |
| US 8,767,987 | In force Jun 2031 | Jun 2031 |
| US 8,605,927 | Lapsed on the fee record Dec 2025 | Dec 2025 |
| US D671,218 | this patent Nov 2026 | Nov 2026 |
| US 9,571,939 | In force Feb 2031 | Feb 2031 |
| US 9,832,578 | Lapsed on the fee record Nov 2025 | Nov 2025 |
| US 9,961,458 | Lapsed on the fee record May 2026 | May 2026 |
8 of 20 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 |
|---|---|---|---|
| Feb 22, 2012 Reel 27745, frame 318 | Daavettila, Jean Elvira; Mako, Vincent Joseph; Fretz, Robert J | Intricon Corporation | Assignment of Assignor's Interest |
| May 24, 2022 Reel 59998, frame 592 | Intricon Corporation; Intricon, Inc. | Capital One, National Association, as Administrative Agent | Security Interest |
| Sep 12, 2024 Reel 68573, frame 674 | Capital One, National Association (as Administrative Agent) | Intricon Corporation | Release of Security Interest |
| Oct 10, 2024 Reel 68865, frame 560 | Intricon Corporation; Intricon Inc. | Inhearing Technology 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
No maintenance fees are payable on this kind of patent, so the record carries no fee events.
What's changing
Nov 2026
Term ends Nov 20, 2026. No maintenance fees are payable on this kind of patent
Citations
2
later US patents cite this one
That is below 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.