Lapsed May 18, 2014 on the fee record · High confidence
20-year base term ends Jul 21, 2028
First maintenance fee unpaid; grace period ended.
Filed Jul 21, 2008 as application 12/176,588 · Granted May 18, 2010
Base term, 20 years from filing, plus 105 days of patent term adjustment (USPTO delay)
Today
Lapsed May 18, 2014
2008
2028
Clock starts
Jul 21, 2008
Jul 21, 2008
No longer in force
May 18, 2014
May 18, 2014
Granted
May 18, 2010
May 18, 2010
Term would have run to
Nov 3, 2028
Nov 3, 2028
base term
patent term adjustment
after the term ends
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
105
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.
11
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 Nov 3, 2028: its 20-year base term plus 105 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 Jul 21, 2008, when this application, 12/176,588, was filed | Jul 21, 2028 | High confidence |
| Continuity chain | Every parent in the chain resolved | no change | High confidence |
| Patent term adjustment | +105 days, USPTO patent term adjustment record | Nov 3, 2028 | 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 May 18, 2014 | High confidence |
| Computed term end | The steps above, in order | May 18, 2014 | High confidence |
This family
| US 9,000,923 | In force Sep 2033 | Sep 2033 |
| US 7,716,977 | this patent May 2014 | May 2014 |
| US 9,027,611 | In force Feb 2034 | Feb 2034 |
| US 9,168,789 | In force Jun 2030 | Jun 2030 |
| US 8,420,759 | In force Jun 2029 | Jun 2029 |
| US 9,168,791 | In force Mar 2031 | Mar 2031 |
| US 8,919,403 | In force Jan 2032 | Jan 2032 |
| US 8,312,766 | In force Sep 2029 | Sep 2029 |
8 of 11 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 |
|---|---|---|---|
| Jan 13, 2010 Reel 23772, frame 795 | Andonian, Archie Arsavir Takfor; Song, Jin-hyo Oscar | The Goodyear Tire & Rubber Company | 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
Note
The 105 days of patent term adjustment (USPTO delay) are read from the USPTO record, not recalculated by us
Citations
5
later US patents cite this one
That is below the median 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.