Also listed on Eaton Corporation, an earlier holder on the record. The recorded assignments below show how it moved.
Term ends Apr 16, 2028 · Medium confidence
20-year base term ends Apr 16, 2028
Why Medium: A parent in the chain could not be resolved.
Held by Eaton Intelligent Power Limited
Filed May 6, 2014 as application 14/271,357 · Granted Oct 11, 2016
Base term, 20 years from filing
Today
2008
2028
Clock starts
Apr 16, 2008
Apr 16, 2008
Term ends
Apr 16, 2028
Apr 16, 2028
Granted
Oct 11, 2016
Oct 11, 2016
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
None
Term adjustment
No prosecution delay on this record.
None
Terminal disclaimer
No disclaimer on this record.
2 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.
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 is its 20-year base term, with no adjustment for prosecution delay. 2 of 2 maintenance fees are 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 Apr 16, 2008, when application 12/104,313, the earliest non-provisional in its chain, was filed (this one was filed May 6, 2014); a parent in its chain could not be resolved (the next row) | Apr 16, 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 | None on file | no change | 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 2 maintenance fees paid | In force | High confidence |
| Computed term end | The steps above, in order | Apr 16, 2028 | Medium confidence |
This family
| US 7,887,248 | In force Jul 2029 | Jul 2029 |
| US 8,714,865 | In force Apr 2028 | Apr 2028 |
| US 9,464,665 | this patent Apr 2028 | Apr 2028 |
| US 9,879,716 | In force Apr 2028 | Apr 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 |
|---|---|---|---|
| May 8, 2014 Reel 32852, frame 67 | Nibco Inc. | Cooper B-Line, Inc. | Assignment of Assignor's Interest |
| Aug 10, 2015 Reel 36291, frame 448 | Heath, Richard W. | Nibco Inc. | Assignment of Assignor's Interest |
| Nov 7, 2018 Reel 47441, frame 577 | Cooper B-Line, 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
Apr 2028
Term ends Apr 16, 2028. No further fees fall due before then
Citations
15
later US patents cite this one
That is top 25% of utility patents granted in 2016 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.