Also listed on Odyne Systems, LLC, an earlier holder on the record. The recorded assignments below show how it moved.
Collateral for a security interest recorded Jan 7, 2019 (Allison Transmission, Inc.).
Term ends Dec 26, 2028 · Medium confidence
20-year base term ends May 30, 2028
Why Medium: A parent in the chain could not be resolved.
Held by Power Technology Holdings LLC
Filed May 20, 2014 as application 14/283,185 · Granted Oct 6, 2020
Base term plus 210 days of patent term adjustment (USPTO delay)
Today
2008
2028
Clock starts
May 30, 2008
May 30, 2008
Term ends
Dec 26, 2028
Dec 26, 2028
Granted
Oct 6, 2020
Oct 6, 2020
base term
patent term adjustment
fee events
Updated Nov 15, 2026 · includes USPTO assignment & status data published Nov 15, 2026 and grant & fee data published Nov 10, 2026 (weekly) · how we know
210
Days of term adjustment
Read from the USPTO patent term adjustment record, not recalculated here.
None
Terminal disclaimer
No disclaimer on this record.
1 of 2
Maintenance fees paid
Two maintenance fees can end this term early, the ones due 3.5 and 7.5 years from grant; the third one's grace period runs past the term end. This counts the ones the record shows paid.
17
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 210 days past its 20-year base term on prosecution delay. 1 of 2 maintenance fees is paid so far. Confidence: Medium. 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 May 30, 2008, when the earliest non-provisional application in its chain was filed (this one was filed May 20, 2014); a parent in its chain could not be resolved (the next row) | May 30, 2028 | High confidence |
| Continuity chain | A parent in the chain could not be resolved | dated from this application's own claim | Medium confidence |
| Patent term adjustment | +210 days, USPTO patent term adjustment record | Dec 26, 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 | 1 of 2 maintenance fees paid | In force | High confidence |
| Computed term end | The steps above, in order | Dec 26, 2028 | Medium confidence |
This family
| US 7,928,148 | In force Nov 2027 | Nov 2027 |
| US 8,978,798 | In force Mar 2031 | Mar 2031 |
| Application 12/130,088 | Abandoned not computed | not computed |
| US 8,153,847 | In force May 2030 | May 2030 |
| US 8,818,588 | In force Jan 2030 | Jan 2030 |
| Application PCT/US2008/008442 | PCT application no patent term | no patent term |
| Application PCT/US2009/066151 | PCT application no patent term | no patent term |
| US 8,408,341 | In force no later than Jan 2029 | no later than Jan 2029 |
8 of 17 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 |
|---|---|---|---|
| Feb 23, 2016 Reel 37805, frame 66 | Odyne Systems LLC | Power Technology Holdings LLC | Assignment of Assignor's Interest |
| Sep 23, 2016 Reel 39848, frame 771 | Dalum, Joseph Thomas; Jarmuz, Matthew J.; Myers, Daniel Francis; Ambrosio, Joseph Mario | Odyne Systems, LLC | Nunc Pro Tunc Assignment |
| Jan 7, 2019 Reel 47920, frame 546 | Odyne Systems, LLC | Allison Transmission, Inc. | Security Interest |
| Jan 7, 2019 Reel 47920, frame 678 | Power Technology Holdings, LLC | Allison Transmission, Inc. | 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
Dec 2028
Term ends Dec 26, 2028. Maintenance fees still fall due before then
Note
The 210 days of patent term adjustment (USPTO delay) are read from the USPTO record, not recalculated by us
Citations
31
later US patents cite this one
That is top 10% of utility patents granted in 2020 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.