Term ended Aug 6, 2022 · High confidence
20-year base term ended Aug 6, 2022
Held by IGT
Filed Aug 6, 2002 as application 10/213,626 · Granted Nov 30, 2010
Base term, 20 years from filing
Today
Term ended Aug 6, 2022
2002
2026
Clock starts
Aug 6, 2002
Aug 6, 2002
Term ended
Aug 6, 2022
Aug 6, 2022
Granted
Nov 30, 2010
Nov 30, 2010
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.
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.
67
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. All three maintenance fees were paid, so no fee lapse ended it. 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 Aug 6, 2002, when this application, 10/213,626, was filed | Aug 6, 2022 | 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 |
| Fee events | 3 of 3 maintenance fees paid | term ended | High confidence |
| Computed term end | The steps above, in order | Aug 6, 2022 | High confidence |
This family
| US 7,993,197 | Lapsed on the fee record Aug 2015 | Aug 2015 |
| US 7,311,605 | Term ended Jan 2023 | Jan 2023 |
| US 7,841,944 | this patent Aug 2022 | Aug 2022 |
| US 7,946,917 | Term ended Sep 2023 | Sep 2023 |
| Application PCT/US2003/018826 | PCT application no patent term | no patent term |
| Application PCT/US2003/023872 | PCT application no patent term | no patent term |
| Application 10/755,598 | Abandoned not computed | not computed |
| US 7,815,507 | In force Feb 2027 | Feb 2027 |
8 of 67 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 |
|---|---|---|---|
| Aug 6, 2002 Reel 13182, frame 564 | Wells, William | IGT | 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.
Citations
65
later US patents cite this one
That is top 25% of utility patents granted in 2010 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.