Also listed on API Corporation, an earlier holder on the record. The recorded assignments below show how it moved.
Collateral for a security interest recorded Sep 9, 2019 (PNC Bank, National Association).
Term ends Dec 4, 2026 · High confidence
Held by API Industries, Inc.
Filed Oct 25, 2011 as application 29/404,708 · Granted Nov 19, 2013
Base term, 14 years from grant · capped by a resolved terminal disclaimer
Today
2013
2027
Clock starts
Nov 19, 2013
Nov 19, 2013
Term ends
Dec 4, 2026
Dec 4, 2026
base term
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
None
Term adjustment
No prosecution delay on this record.
Capped
Terminal disclaimer
Resolved from the filed document, referencing US D671,837.
14 years from grant
Base term
No maintenance fees are payable on this kind of patent.
This patent's term is its base term, 14 years from grant, with no adjustment for prosecution delay. A terminal disclaimer resolved from the filed document caps it earlier. No maintenance fees are payable on this kind of patent. 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, 14 years from grant | Granted Nov 19, 2013 | Nov 19, 2027 | 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 | Disclaimer resolved from the filed document (refs US D671,837) | capped to Dec 4, 2026 | High confidence |
| Patent term extension | None on file | no change | High confidence |
| Computed term end | The steps above, in order | Dec 4, 2026 | High confidence |
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 25, 2011 Reel 27113, frame 443 | Rosenberg, Susan R. | API Industries, Inc. | Assignment of Assignor's Interest |
| Sep 9, 2019 Reel 50307, frame 281 | API Industries, Inc. | Pnc Bank, National Association | Security Interest |
Sources
Google Patents · The patent document at USPTO · Assignment records at USPTO
USPTO account required: This application in Patent Center
No maintenance fees are payable on this kind of patent, so the record carries no fee events.
Free plan: 3 watched companies. Pro: unlimited.
Alerts on its grants, lapses and transfers.
What's changing
Dec 2026
Term ends Dec 4, 2026. No maintenance fees are payable on this kind of patent
Disclaimer cap
This term is capped by a terminal disclaimer resolved from the filed document, referencing US D671,837.
Citations
13
later US patents cite this one
That is below the median of design patents granted in 2013 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.