Term ends May 16, 2027 · High confidence
20-year base term ends May 21, 2030
Held by Gulfstream Services, Inc.
Filed Mar 17, 2017 as application 15/461,997 · Granted May 1, 2018
Base term, 20 years from filing · capped by a resolved terminal disclaimer
Today
2010
2030
Clock starts
May 21, 2010
May 21, 2010
Term ends
May 16, 2027
May 16, 2027
Granted
May 1, 2018
May 1, 2018
base term
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
None
Term adjustment
No prosecution delay on this record.
Capped
Terminal disclaimer
Resolved from the filed document, referencing US 7,607,481, US 7,841,410, US 7,918,278, US 8,215,396, US 8,573,301, US 9,598,925, US 9,689,226.
2 of 2
Maintenance fees paid
Two maintenance fees can end this term early, the ones due 3.5 and 7.5 years from grant; the third one's grace period runs past the term end. 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.
This patent's term is its 20-year base term, with no adjustment for prosecution delay. A terminal disclaimer resolved from the filed document caps it earlier. 2 of 2 maintenance fees are paid so far. 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 May 21, 2010, when application 12/785,017, the earliest non-provisional in its chain, was filed (this one was filed Mar 17, 2017) | May 21, 2030 | 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 | Disclaimer resolved from the filed document (refs US 7,607,481, US 7,841,410, US 7,918,278, US 8,215,396, US 8,573,301, US 9,598,925, US 9,689,226) | capped to May 16, 2027 | High confidence |
| Patent term extension | None on file | no change | High confidence |
| Fee events | 2 of 2 maintenance fees paid | In force | High confidence |
| Computed term end | The steps above, in order | May 16, 2027 | High confidence |
This family
| US 8,561,700 | In force Feb 2028 | Feb 2028 |
| US 9,598,925 | In force May 2027 | May 2027 |
| US 9,957,773 | this patent May 2027 | May 2027 |
| US 10,337,278 | In force May 2027 | May 2027 |
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 |
|---|---|---|---|
| Jun 19, 2017 Reel 42745, frame 491 | Barbee, John Phillip, JR. | Gulfstream Services, 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.
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Alerts on its grants, lapses and transfers.
What's changing
May 2027
Term ends May 16, 2027. No further fees fall due before then
Disclaimer cap
This term is capped by a terminal disclaimer resolved from the filed document, referencing US 7,607,481, US 7,841,410, US 7,918,278, US 8,215,396, US 8,573,301, US 9,598,925, US 9,689,226.
Citations
3
later US patents cite this one
That is below the median of utility patents granted in 2018 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.