Also listed on Eaton Corporation, an earlier holder on the record. The recorded assignments below show how it moved.
Term ends Aug 1, 2034 · High confidence
20-year base term ends Jul 31, 2034
Held by Eaton Intelligent Power Limited
Filed Jul 31, 2014 as application 14/448,043 · Granted Nov 17, 2015
Base term plus 1 days of patent term adjustment (USPTO delay)
Today
2014
2034
Clock starts
Jul 31, 2014
Jul 31, 2014
Term ends
Aug 1, 2034
Aug 1, 2034
Granted
Nov 17, 2015
Nov 17, 2015
base term
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
1
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.
4
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 1 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 Jul 31, 2014, when this application, 14/448,043, was filed | Jul 31, 2034 | High confidence |
| Continuity chain | Every parent in the chain resolved | no change | High confidence |
| Patent term adjustment | +1 days, USPTO patent term adjustment record | Aug 1, 2034 | 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 | Aug 1, 2034 | High confidence |
This family
| US 9,190,791 | this patent Aug 2034 | Aug 2034 |
| Application PCT/US2015/042945 | PCT application no patent term | no patent term |
| US 9,698,548 | In force Jul 2034 | Jul 2034 |
| US 9,520,703 | In force Jul 2034 | Jul 2034 |
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 31, 2014 Reel 33434, frame 722 | Jaena, Mario L.; Gulkarov, Vladimir; Folk, Isaac | Power Distribution, Inc. | Assignment of Assignor's Interest |
| Jan 25, 2017 Reel 41074, frame 203 | Power Distribution, Inc. | Bank Of America, N.a. | Security Interest |
| Jan 25, 2017 Reel 41085, frame 210 | Power Distribution, Inc. | Virtus Group, LP | Security Interest |
| Mar 28, 2017 Reel 42104, frame 938 | Power Distribution, Inc. | Virtus Group, LP | Amended and Restated Security Agreement |
| Feb 25, 2020 Reel 51922, frame 144 | Virtus Group, LP, as Agent | Power Distribution, Inc. | Release of Security Interest |
| Mar 13, 2025 Reel 70501, frame 959 | Power Distribution, Inc. | Eaton Intelligent Power Limited | Assignment of Assignor's 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
Aug 2034
Term ends Aug 1, 2034. Maintenance fees still fall due before then
Note
The 1 days of patent term adjustment (USPTO delay) are read from the USPTO record, not recalculated by us
Citations
30
later US patents cite this one
That is top 25% of utility patents granted in 2015 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.