Also listed on Axsun Technologies, Inc., an earlier holder on the record. The recorded assignments below show how it moved.
Term ends Jan 25, 2030 · High confidence
20-year base term ends Jan 25, 2030
Held by Volcano Corporation
Filed Jul 19, 2013 as application 13/946,214 · Granted Jul 15, 2014
Base term, 20 years from filing
Today
2010
2030
Clock starts
Jan 25, 2010
Jan 25, 2010
Term ends
Jan 25, 2030
Jan 25, 2030
Granted
Jul 15, 2014
Jul 15, 2014
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.
3 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 is its 20-year base term, with no adjustment for prosecution delay. All three maintenance fees are recorded paid; no more fees are due. 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 Jan 25, 2010, when application 12/693,181, the earliest non-provisional in its chain, was filed (this one was filed Jul 19, 2013) | Jan 25, 2030 | High confidence |
| Continuity chain | Every parent in the chain resolved | no change | High 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 | 3 of 3 maintenance fees paid | In force | High confidence |
| Computed term end | The steps above, in order | Jan 25, 2030 | High confidence |
This family
| US 8,515,221 | In force Oct 2031 | Oct 2031 |
| US 8,675,293 | In force Dec 2030 | Dec 2030 |
| Application PCT/US2011/022375 | PCT application no patent term | no patent term |
| US 8,781,287 | this patent Jan 2030 | Jan 2030 |
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 |
|---|---|---|---|
| Nov 4, 2014 Reel 34101, frame 321 | Axsun Technologies, Inc. | Volcano Corporation | Assignment of Assignor's Interest |
| Apr 10, 2015 Reel 35378, frame 574 | Flanders, Dale C.; Getz, James W.; Atia, Walid A.; Whitney, Peter S.; Kuznetsov, Mark E. | Axsun Technologies, 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
Jan 2030
Term ends Jan 25, 2030. No further fees fall due before then
Citations
28
later US patents cite this one
That is top 25% of utility patents granted in 2014 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.