Also listed on BWXT Nuclear Energy, Inc., an earlier holder on the record. The recorded assignments below show how it moved.
Term ends May 2, 2034 · High confidence
20-year base term ends Mar 12, 2034
Held by Framatome Inc.
Filed Mar 12, 2014 as application 14/207,140 · Granted May 8, 2018
Base term plus 51 days of patent term adjustment (USPTO delay)
Today
2014
2034
Clock starts
Mar 12, 2014
Mar 12, 2014
Term ends
May 2, 2034
May 2, 2034
Granted
May 8, 2018
May 8, 2018
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
51
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.
This patent's term runs 51 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 Mar 12, 2014, when this application, 14/207,140, was filed | Mar 12, 2034 | High confidence |
| Continuity chain | Every parent in the chain resolved | no change | High confidence |
| Patent term adjustment | +51 days, USPTO patent term adjustment record | May 2, 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 | May 2, 2034 | High confidence |
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 |
|---|---|---|---|
| Jun 3, 2014 Reel 33014, frame 389 | Hundstad, Richard W; Persad, Rajendra | Babcock & Wilcox Nucear Energy, Inc. | Assignment of Assignor's Interest |
| Jun 3, 2014 Reel 33014, frame 575 | Bruns, Nathaniel R; Gammage, Daniel E | Babcock & Wilcox Canada Ltd. | Assignment of Assignor's Interest |
| Jul 22, 2014 Reel 33379, frame 511 | Babcock & Wilcox Nuclear Energy, Inc. | Bank of America, N.A., as Administrative Agent | Security Interest |
| Jul 16, 2015 Reel 36108, frame 803 | BWXT Nuclear Energy, Inc. | Bank of America, N.A., as Administrative Agent | Security Interest |
| Jul 17, 2015 Reel 36129, frame 461 | Babcock & Wilcox Canada Ltd. | BWXT Canada Ltd. | Change of Name |
| Jul 17, 2015 Reel 36129, frame 661 | Babcock & Wilcox Nuclear Energy, Inc. | BWXT Nuclear Energy, Inc. | Change of Name |
| May 25, 2018 Reel 45906, frame 500 | Bank Of America, N.a. | Babcock & Wilcox Nuclear Energy, Inc. (N/K/A BWXT Nuclear Energy, Inc.) | Release of Security Interest |
| May 25, 2018 Reel 45906, frame 764 | Bank Of America, N.a. | BWXT Nuclear Energy, Inc. | Release of Security Interest |
| May 30, 2018 Reel 47094, frame 291 | BWXT Isotope Technology Group, Inc.; BWXT Nuclear Energy, Inc. | Wells Fargo Bank, N.a. | Security Agreement |
| Jun 1, 2020 Reel 52800, frame 805 | Wells Fargo Bank, N.a. | BWX Technologies, Inc. | Release of Security Interest |
| Apr 16, 2021 Reel 55952, frame 312 | BWXT Nuclear Energy, Inc. | Framatome Inc. | 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
May 2034
Term ends May 2, 2034. Maintenance fees still fall due before then
Note
The 51 days of patent term adjustment (USPTO delay) are read from the USPTO record, not recalculated by us
Citations
55
later US patents cite this one
That is top 5% of utility patents granted in 2018 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.