Term ends Mar 3, 2033 · High confidence
20-year base term ends Jun 7, 2032
Held by Johns Manville
Filed Jun 7, 2012 as application 13/490,638 · Granted Oct 18, 2022
Base term plus 269 days of patent term adjustment (USPTO delay)
Today
2012
2033
Clock starts
Jun 7, 2012
Jun 7, 2012
Term ends
Mar 3, 2033
Mar 3, 2033
Granted
Oct 18, 2022
Oct 18, 2022
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
269
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.
10
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 269 days past its 20-year base term on prosecution delay. 1 of 2 maintenance fees is 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 7, 2012, when this application, 13/490,638, was filed | Jun 7, 2032 | High confidence |
| Continuity chain | Every parent in the chain resolved | no change | High confidence |
| Patent term adjustment | +269 days, USPTO patent term adjustment record | Mar 3, 2033 | 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 | Mar 3, 2033 | High confidence |
This family
| US 11,472,987 | this patent Mar 2033 | Mar 2033 |
| US 10,815,593 | In force Oct 2033 | Oct 2033 |
| US 10,815,402 | In force Jun 2033 | Jun 2033 |
| Application 14/334,731 | Abandoned not computed | not computed |
| US 9,394,431 | In force Jun 2032 | Jun 2032 |
| US 10,570,271 | In force Jun 2032 | Jun 2032 |
| US 11,142,631 | In force Sep 2032 | Sep 2032 |
| Application 16/900,395 | Abandoned not computed | not computed |
8 of 10 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 |
|---|---|---|---|
| Jun 7, 2012 Reel 28334, frame 530 | Shooshtari, Kiarash Alavi | Johns Manville | 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
Mar 2033
Term ends Mar 3, 2033. Maintenance fees still fall due before then
Note
The 269 days of patent term adjustment (USPTO delay) are read from the USPTO record, not recalculated by us
Citations
0
later US patents cite this one
That is below the median of utility patents granted in 2022 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.