Term ends Nov 15, 2026 · High confidence
20-year base term ends Nov 15, 2026
Held by Stryker Corporation
Filed Nov 15, 2006 as application 11/600,257 · Granted Sep 4, 2007
Base term, 20 years from filing
Today
2006
2026
Clock starts
Nov 15, 2006
Nov 15, 2006
Term ends
Nov 15, 2026
Nov 15, 2026
Granted
Sep 4, 2007
Sep 4, 2007
base term
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.
3
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 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 Nov 15, 2006, when this application, 11/600,257, was filed | Nov 15, 2026 | 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 | In force | High confidence |
| Computed term end | The steps above, in order | Nov 15, 2026 | High confidence |
This family
| US 7,237,288 | Term ended Dec 2024 | Dec 2024 |
| US 7,308,725 | Term ended May 2026 | May 2026 |
| US 7,263,734 | this patent Nov 2026 | Nov 2026 |
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 |
|---|---|---|---|
| Dec 29, 2006 Reel 18750, frame 202 | Buchanan, Richard W.; Landgraf, Mark | Gaymar Industries, Inc. | Assignment of Assignor's Interest |
| Mar 31, 2009 Reel 22473, frame 556 | Gaymar Industries, Inc. | General Electric Capital Corporation, as Collateral Agent | Security Agreement |
| Oct 11, 2010 Reel 25114, frame 294 | General Electric Capital Corporation | Gaymar Industries, Inc. | Release of Security Interest |
| Oct 6, 2011 Reel 27025, frame 1 | Gaymar Industries, Inc. | Stryker Corporation | Assignment of Assignor's Interest |
| Dec 18, 2024 Reel 69737, frame 184 | Stryker Corporation | Stryker Corporation | Change of Address |
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
Nov 2026
Term ends Nov 15, 2026. No further fees fall due before then
Citations
16
later US patents cite this one
That is above the median of utility patents granted in 2007 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.