Lapsed Jan 10, 2024 on the fee record · High confidence
20-year base term ended Apr 19, 2026
Third maintenance fee unpaid; grace period ended.
Held by Bot M8 LLC
Filed Apr 19, 2006 as application 11/406,404 · Granted Jan 10, 2012
Base term, 20 years from filing, plus 1181 days of patent term adjustment (USPTO delay)
Today
Lapsed Jan 10, 2024
2006
2029
Clock starts
Apr 19, 2006
Apr 19, 2006
No longer in force
Jan 10, 2024
Jan 10, 2024
Granted
Jan 10, 2012
Jan 10, 2012
Term would have run to
Jul 13, 2029
Jul 13, 2029
base term
patent term adjustment
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
1,181
Days of term adjustment
Read from the USPTO patent term adjustment record, not recalculated here.
None
Terminal disclaimer
No disclaimer on this record.
2 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.
6
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 Jul 13, 2029: its 20-year base term plus 1181 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 Apr 19, 2006, when this application, 11/406,404, was filed | Apr 19, 2026 | High confidence |
| Continuity chain | Every parent in the chain resolved | no change | High confidence |
| Patent term adjustment | +1181 days, USPTO patent term adjustment record | Jul 13, 2029 | 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 | 2 of 3 maintenance fees paid | lapsed Jan 10, 2024 | High confidence |
| Computed term end | The steps above, in order | Jan 10, 2024 | High confidence |
This family
| US 7,377,852 | Term ended Dec 2021 | Dec 2021 |
| US 7,258,612 | Term ended Jun 2024 | Jun 2024 |
| US 7,338,363 | Term ended Jun 2025 | Jun 2025 |
| US 7,497,777 | In force Feb 2027 | Feb 2027 |
| US 7,664,988 | Term ended Oct 2026 | Oct 2026 |
| US 8,095,990 | this patent Jan 2024 | Jan 2024 |
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 |
|---|---|---|---|
| Apr 19, 2006 Reel 17785, frame 539 | Tanimura, Tatsuhiko | Aruze Corp. | Assignment of Assignor's Interest |
| Nov 30, 2011 Reel 27328, frame 280 | Aruze Corporation | Universal Entertainment Corporation | Assignment of Assignor's Interest |
| Dec 6, 2016 Reel 40823, frame 741 | Universal Entertainment Corporation | Bot M8 LLC | Patent Purchase Agreement |
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
Note
The 1181 days of patent term adjustment (USPTO delay) are read from the USPTO record, not recalculated by us
Citations
10
later US patents cite this one
That is above the median of utility patents granted in 2012 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.