Also listed on Protonex Technology Corporation, an earlier holder on the record. The recorded assignments below show how it moved.
Collateral for a security interest recorded Jul 6, 2021 (The Toronto-Dominion Bank).
Term ends Apr 1, 2032 · High confidence
20-year base term ends Jun 15, 2030
Filed Dec 17, 2013 as application 14/109,156 · Granted Apr 25, 2017
Base term plus 656 days of patent term adjustment (USPTO delay)
Today
2010
2032
Clock starts
Jun 15, 2010
Jun 15, 2010
Term ends
Apr 1, 2032
Apr 1, 2032
Granted
Apr 25, 2017
Apr 25, 2017
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
656
Days of term adjustment
Read from the USPTO patent term adjustment record, not recalculated here.
None
Terminal disclaimer
No disclaimer on this record.
2 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.
9
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 656 days past its 20-year base term on prosecution delay. 2 of 3 maintenance fees are paid so far. 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 15, 2010, when application 12/816,080, the earliest non-provisional in its chain, was filed (this one was filed Dec 17, 2013) | Jun 15, 2030 | High confidence |
| Continuity chain | Every parent in the chain resolved | no change | High confidence |
| Patent term adjustment | +656 days, USPTO patent term adjustment record | Apr 1, 2032 | 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 | 2 of 3 maintenance fees paid | In force | High confidence |
| Computed term end | The steps above, in order | Apr 1, 2032 | High confidence |
This family
| US 8,638,011 | In force Oct 2031 | Oct 2031 |
| US 8,775,846 | In force Mar 2031 | Mar 2031 |
| Application 12/816,325 | Abandoned not computed | not computed |
| Application PCT/US2010/041335 | PCT application no patent term | no patent term |
| US 8,633,619 | In force Jun 2030 | Jun 2030 |
| US 9,634,491 | this patent Apr 2032 | Apr 2032 |
| US 10,333,315 | In force Feb 2031 | Feb 2031 |
| US 11,283,265 | In force Dec 2030 | Dec 2030 |
8 of 9 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 |
|---|---|---|---|
| May 21, 2015 Reel 35748, frame 937 | Protonex Technology Corporation | Silicon Valley Bank | Security Agreement |
| Sep 28, 2015 Reel 36700, frame 203 | Silicon Valley Bank | Protonex Technology Corporation | Release of Security Interest |
| Jun 14, 2019 Reel 49469, frame 982 | Protonex Technology Corporation | Revision Military Soldier Power, LLC | Assignment of Assignor's Interest |
| Jul 9, 2019 Reel 49701, frame 190 | Robinson, Philip T.; Dziengeleski, Seth M.; Kazmierczak, James D.; Holigan, David J. | Protonex Technology Corporation | Assignment of Assignor's Interest |
| Jul 6, 2021 Reel 56769, frame 845 | Galvion Soldier Power, LLC | The Toronto-Dominion Bank | Confirmation of Grant of Security Interest |
| Jun 14, 2023 Reel 63951, frame 70 | Galvion Solider Power, LLC | The Toronto-Dominion Bank | Release of Security Interest |
| Oct 18, 2023 Reel 65271, frame 253 | The Toronto-Dominion Bank Aka TD Bank | Galvion Solider Power, LLC | Corrective Assignment to Correct the Assignee Previously Recorded on Reel 063951 Frame 0070. Assignor(S) Hereby Confirms the Galvion Solider Power, LLC. |
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
Apr 2032
Term ends Apr 1, 2032. Maintenance fees still fall due before then
Note
The 656 days of patent term adjustment (USPTO delay) are read from the USPTO record, not recalculated by us
Citations
62
later US patents cite this one
That is top 5% of utility patents granted in 2017 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.