Collateral for a security interest recorded Feb 9, 2012 (The Bank of New York Mellon Trust Company, N.A., as *Collateral Trustee).
Term ends Nov 15, 2028 · High confidence
20-year base term ends Jun 2, 2028
Held by Physio-Control, Inc.
Filed Jun 2, 2008 as application 12/131,267 · Granted Jun 1, 2010
Base term plus 166 days of patent term adjustment (USPTO delay)
Today
2008
2028
Clock starts
Jun 2, 2008
Jun 2, 2008
Term ends
Nov 15, 2028
Nov 15, 2028
Granted
Jun 1, 2010
Jun 1, 2010
base term
patent term adjustment
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
166
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.
8
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 166 days past its 20-year base term on 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 Jun 2, 2008, when this application, 12/131,267, was filed | Jun 2, 2028 | High confidence |
| Continuity chain | Every parent in the chain resolved | no change | High confidence |
| Patent term adjustment | +166 days, USPTO patent term adjustment record | Nov 15, 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 | 3 of 3 maintenance fees paid | In force | High confidence |
| Computed term end | The steps above, in order | Nov 15, 2028 | High confidence |
This family
| US 7,728,548 | this patent Nov 2028 | Nov 2028 |
| Application PCT/US2009/045943 | PCT application no patent term | no patent term |
| US 8,183,823 | In force Mar 2029 | Mar 2029 |
| US 8,179,087 | In force Mar 2029 | Mar 2029 |
| US 9,008,766 | In force Jun 2028 | Jun 2028 |
| US 9,339,661 | In force Jun 2028 | Jun 2028 |
| US 9,907,971 | Surrendered on reissue no later than Dec 2023 | no later than Dec 2023 |
| US RE49,764 | In force Jun 2028 | Jun 2028 |
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 |
|---|---|---|---|
| Jul 16, 2008 Reel 21248, frame 627 | Daynes, John C | Physio-Control, Inc. | Assignment of Assignor's Interest |
| Aug 8, 2011 Reel 26716, frame 163 | Neumiller, James S.; Peterson, Kenneth J.; Nova, Richard C.; McGrath, Thomas J. | Physio-Control, Inc. | Assignment of Assignor's Interest |
| Feb 9, 2012 Reel 27765, frame 861 | Physio-Control, Inc. | The Bank of New York Mellon Trust Company, N.A., as *Collateral Trustee | Security Agreement |
| Feb 10, 2012 Reel 27763, frame 881 | Physio-Control, Inc. | Citibank, N.A., as Collateral Agent | Security Agreement |
| Jan 14, 2016 Reel 37519, frame 240 | The Bank of New York Mellon Trust Company, N.A. | Physio-Control, Inc. | Release of Security Interest |
| Jan 15, 2016 Reel 37532, frame 828 | Physio-Control, Inc.; Physio-Control International, Inc. | Citibank, N.A., as Collateral Agent | First Lien Security Agreement |
| Jan 19, 2016 Reel 37559, frame 601 | Physio-Control, Inc.; Physio-Control International, Inc. | Citibank, N.A., as Collateral Agent | Second Lien Security Agreement |
| Apr 7, 2016 Reel 38376, frame 806 | Citibank, N.a. | Physio-Control, Inc. | Release of Security Interest |
| Apr 7, 2016 Reel 38379, frame 1 | Citibank, N.a. | Physio-Control, Inc.; Physio-Control International, Inc. | Release of Security Interest |
| Apr 7, 2016 reel/frame not recorded | Citibank, N.a. | Physio-Control International, Inc. | Release of Security 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.
Free plan: 3 watched companies. Pro: unlimited.
Alerts on its grants, lapses and transfers.
What's changing
Nov 2028
Term ends Nov 15, 2028. No further fees fall due before then
Note
The 166 days of patent term adjustment (USPTO delay) are read from the USPTO record, not recalculated by us
Citations
141
later US patents cite this one
That is top 5% 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.
In force means the term is running and no lapse is on record. It is not a finding that the patent is valid.