Lapsed Dec 10, 2023 on the fee record · High confidence
20-year base term ends Jan 29, 2035
First maintenance fee unpaid; grace period ended.
Held by Lockheed Martin Corporation
Filed Jan 29, 2015 as application 14/609,325 · Granted Dec 10, 2019
Base term, 20 years from filing, plus 102 days of patent term adjustment (USPTO delay)
Today
Lapsed Dec 10, 2023
2015
2035
Clock starts
Jan 29, 2015
Jan 29, 2015
No longer in force
Dec 10, 2023
Dec 10, 2023
Granted
Dec 10, 2019
Dec 10, 2019
Term would have run to
May 11, 2035
May 11, 2035
base term
patent term adjustment
after the term ends
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
102
Days of term adjustment
Read from the USPTO patent term adjustment record, not recalculated here.
None
Terminal disclaimer
No disclaimer on this record.
0 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.
49
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 May 11, 2035: its 20-year base term plus 102 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 Jan 29, 2015, when this application, 14/609,325, was filed | Jan 29, 2035 | High confidence |
| Continuity chain | Every parent in the chain resolved | no change | High confidence |
| Patent term adjustment | +102 days, USPTO patent term adjustment record | May 11, 2035 | 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 | 0 of 3 maintenance fees paid | lapsed Dec 10, 2023 | High confidence |
| Computed term end | The steps above, in order | Dec 10, 2023 | High confidence |
This family
| US 9,067,811 | In force no later than Jun 2033 | no later than Jun 2033 |
| US 9,834,809 | Lapsed on the fee record Dec 2021 | Dec 2021 |
| US 10,500,546 | this patent Dec 2023 | Dec 2023 |
| US 9,870,895 | In force Jan 2035 | Jan 2035 |
| Application PCT/US2015/018114 | PCT application no patent term | no patent term |
| US 9,844,757 | In force Mar 2035 | Mar 2035 |
| Application 14/656,190 | Abandoned not computed | not computed |
| Application 14/656,657 | Abandoned not computed | not computed |
8 of 49 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 |
|---|---|---|---|
| Mar 10, 2015 Reel 35125, frame 432 | Sinsabaugh, Steven Lloyd; Bedworth, Peter V.; Casey, David Francis, JR.; Heise, Scott E.; Sinton, Steven W.; Stoltenberg, Randall Mark; Swett, Jacob Louis | Lockheed Martin Corporation | 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.
Free plan: 3 watched companies. Pro: unlimited.
Alerts on its grants, lapses and transfers.
What's changing
Note
The 102 days of patent term adjustment (USPTO delay) are read from the USPTO record, not recalculated by us
Citations
44
later US patents cite this one
That is top 5% of utility patents granted in 2019 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.