Term ends Jan 26, 2031 · High confidence
20-year base term ends Jan 5, 2031
Held by G.I. Windows, Inc.
Filed May 17, 2013 as application 13/896,670 · Granted Oct 28, 2014
Base term plus 21 days of patent term adjustment (USPTO delay)
Today
2011
2031
Clock starts
Jan 5, 2011
Jan 5, 2011
Term ends
Jan 26, 2031
Jan 26, 2031
Granted
Oct 28, 2014
Oct 28, 2014
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
21
Days of term adjustment
Read from the USPTO patent term adjustment record, not recalculated here.
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.
12
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 21 days past its 20-year base term on 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 Jan 5, 2011, when application 12/984,803, the earliest non-provisional in its chain, was filed (this one was filed May 17, 2013) | Jan 5, 2031 | High confidence |
| Continuity chain | Every parent in the chain resolved | no change | High confidence |
| Patent term adjustment | +21 days, USPTO patent term adjustment record | Jan 26, 2031 | 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 | Jan 26, 2031 | High confidence |
This family
| US 8,828,032 | In force Mar 2031 | Mar 2031 |
| US 8,870,898 | this patent Jan 2031 | Jan 2031 |
| US 8,870,899 | In force Jan 2031 | Jan 2031 |
| US 9,492,173 | In force Jan 2031 | Jan 2031 |
| US 9,763,664 | In force Jan 2031 | Jan 2031 |
| US 10,448,954 | In force Jan 2031 | Jan 2031 |
| US 10,595,869 | In force Jan 2031 | Jan 2031 |
| US 10,813,642 | In force Aug 2031 | Aug 2031 |
8 of 12 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 |
|---|---|---|---|
| Nov 20, 2013 Reel 31641, frame 935 | McWeeney, John; Thompson, Christopher C.; Ryou, Marvin | Beacon Endoscopic Corporation | Assignment of Assignor's Interest |
| Nov 20, 2013 Reel 31642, frame 271 | Beacon Endoscopic Corporation | G.I. Windows, Inc. | Assignment of Assignor's Interest |
| Nov 20, 2013 Reel 31642, frame 329 | Beisel, Robert; Winkler, Josef; Lukin, Peter | G.I. Windows, Inc. | Assignment of Assignor's Interest |
| Feb 3, 2014 Reel 32115, frame 782 | Beisel, Robert F.; Ryou, Marvin | G.I. Windows, Inc. | Assignment of Assignor's Interest |
| Feb 3, 2014 Reel 32115, frame 797 | Lukin, Peter; McWeeney, John; Thompson, Christopher C.; Winkler, Josef | G.I. Windows, 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 · 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
Jan 2031
Term ends Jan 26, 2031. No further fees fall due before then
Note
The 21 days of patent term adjustment (USPTO delay) are read from the USPTO record, not recalculated by us
Citations
96
later US patents cite this one
That is top 5% 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.
In force means the term is running and no lapse is on record. It is not a finding that the patent is valid.