Term ended May 13, 2026 · High confidence
20-year base term ended Mar 10, 2026
Held by Stryker Corporation
Filed Mar 10, 2006 as application 11/372,655 · Granted Dec 18, 2007
Base term plus 64 days of patent term adjustment (USPTO delay)
Today
Term ended May 13, 2026
2006
2026
Clock starts
Mar 10, 2006
Mar 10, 2006
Term ended
May 13, 2026
May 13, 2026
Granted
Dec 18, 2007
Dec 18, 2007
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
64
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.
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 runs 64 days past its 20-year base term on 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 Mar 10, 2006, when this application, 11/372,655, was filed | Mar 10, 2026 | High confidence |
| Continuity chain | Every parent in the chain resolved | no change | High confidence |
| Patent term adjustment | +64 days, USPTO patent term adjustment record | May 13, 2026 | 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 | May 13, 2026 | High confidence |
This family
| US 7,237,288 | Term ended Dec 2024 | Dec 2024 |
| US 7,308,725 | this patent May 2026 | May 2026 |
| US 7,263,734 | In force 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 |
|---|---|---|---|
| Mar 10, 2006 Reel 17677, frame 87 | Cazzini, Karl; Flick, Roland E. | 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
Note
The 64 days of patent term adjustment (USPTO delay) are read from the USPTO record, not recalculated by us
Citations
13
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.