Term ends Mar 4, 2027 · High confidence
20-year base term ended Jun 2, 2023
Held by IGT Rhode Island LLC
Filed Jun 2, 2003 as application 10/453,772 · Granted Sep 15, 2009
Base term plus 1371 days of patent term adjustment (USPTO delay)
Today
2003
2027
Clock starts
Jun 2, 2003
Jun 2, 2003
Term ends
Mar 4, 2027
Mar 4, 2027
Granted
Sep 15, 2009
Sep 15, 2009
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
1,371
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.
41
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 1371 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 Jun 2, 2003, when this application, 10/453,772, was filed | Jun 2, 2023 | High confidence |
| Continuity chain | Every parent in the chain resolved | no change | High confidence |
| Patent term adjustment | +1371 days, USPTO patent term adjustment record | Mar 4, 2027 | 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 | Mar 4, 2027 | High confidence |
This family
| US 7,841,932 | Term ended Aug 2026 | Aug 2026 |
| US 7,901,279 | Term ended Jul 2025 | Jul 2025 |
| US 7,017,805 | Term ended Jun 2023 | Jun 2023 |
| US 8,128,473 | Term ended Jun 2024 | Jun 2024 |
| US 7,028,907 | Lapsed on the fee record Apr 2018 | Apr 2018 |
| US 7,590,950 | this patent Mar 2027 | Mar 2027 |
| US 7,540,413 | Term ended May 2025 | May 2025 |
| US 7,576,733 | Term ended Oct 2026 | Oct 2026 |
8 of 41 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 |
|---|---|---|---|
| Oct 16, 2003 Reel 14592, frame 972 | Collins, Christopher; Businger, Kurt; Hultzman, Scott; Romano, Kevin; Letiecq, Dana | Gtech Rhode Island Corporation | Assignment of Assignor's Interest |
| Aug 20, 2009 Reel 23122, frame 970 | Calvo, Angel Sierra | Organizacion National de Ciegos Espanoles | Assignment of Assignor's Interest |
| Sep 21, 2016 Reel 40096, frame 239 | Gtech Rhode Island Corporation | Gtech Rhode Island LLC | Change of Name |
| Sep 21, 2016 Reel 40096, frame 269 | Gtech Rhode Island LLC | IGT Rhode Island LLC | Change of Name |
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
Mar 2027
Term ends Mar 4, 2027. No further fees fall due before then
Note
The 1371 days of patent term adjustment (USPTO delay) are read from the USPTO record, not recalculated by us
Citations
83
later US patents cite this one
That is top 10% of utility patents granted in 2009 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.