Lapsed Jun 3, 2026 on the fee record · High confidence
20-year base term ends Dec 6, 2030
Third maintenance fee unpaid; grace period ended.
Held by Snell Holdings, LLC
Filed Dec 6, 2010 as application 12/961,436 · Granted Jun 3, 2014
Base term, 20 years from filing, plus 445 days of patent term adjustment (USPTO delay)
Today
Lapsed Jun 3, 2026
2010
2032
Clock starts
Dec 6, 2010
Dec 6, 2010
No longer in force
Jun 3, 2026
Jun 3, 2026
Granted
Jun 3, 2014
Jun 3, 2014
Term would have run to
Feb 24, 2032
Feb 24, 2032
base term
patent term adjustment
after the term ends
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
445
Days of term adjustment
Read from the USPTO patent term adjustment record, not recalculated here.
None
Terminal disclaimer
No disclaimer on this record.
2 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.
4
Family applications on record here
Applications sharing this one's continuity chain whose file history this site holds. The family may have others.
Its term would have run to Feb 24, 2032: its 20-year base term plus 445 days of term adjustment for prosecution delay. 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 6, 2010, when this application, 12/961,436, was filed | Dec 6, 2030 | High confidence |
| Continuity chain | Every parent in the chain resolved | no change | High confidence |
| Patent term adjustment | +445 days, USPTO patent term adjustment record | Feb 24, 2032 | 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 | 2 of 3 maintenance fees paid | lapsed Jun 3, 2026 | High confidence |
| Computed term end | The steps above, in order | Jun 3, 2026 | High confidence |
This family
| US 8,744,262 | this patent Jun 2026 | Jun 2026 |
| US 9,419,743 | In force Jun 2031 | Jun 2031 |
| Application 15/238,554 | Abandoned not computed | not computed |
| US 10,630,418 | In force Dec 2030 | Dec 2030 |
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 |
|---|---|---|---|
| Dec 7, 2010 Reel 25467, frame 8 | Barnard, Chris Wilhelm, MR. | Vello Systems, Inc. | Assignment of Assignor's Interest |
| Jul 24, 2011 Reel 26638, frame 818 | Venture Lending and Leasing IV, Inc.; Venture Lending & Leasing V, Inc. | Vello Systems, Inc. | Release of Security Interest |
| May 28, 2013 Reel 30498, frame 219 | Vello Systems, Inc. | Venture Lending & Leasing VI, Inc.; Venture Lending & Leasing VII, Inc. | Security Agreement |
| May 28, 2013 reel/frame not recorded | Vello Systems, Inc. | Venture Lending & Leasing VI, Inc. | Security Agreement |
| May 28, 2013 reel/frame not recorded | Vello Systems, Inc. | Venture Lending & Leasing VII, Inc. | Security Agreement |
| Dec 15, 2014 Reel 34510, frame 459 | Treq Labs, Inc.; Venture Lending & Leasing | Treq Labs, Inc. | Assignment of Assignor's Interest |
| Sep 7, 2017 Reel 43522, frame 776 | Treq Labs, Inc. | Snell Holdings, LLC | 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
Note
The 445 days of patent term adjustment (USPTO delay) are read from the USPTO record, not recalculated by us
Citations
49
later US patents cite this one
That is top 25% of utility patents granted in 2014 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.