Collateral for a security interest recorded Jun 12, 2017 (East West Bank).
Term ends Aug 8, 2028 · High confidence
20-year base term ends Jun 19, 2027
Held by Ui Holding Co.
Filed Jun 19, 2007 as application 11/764,827 · Granted Oct 1, 2013
Base term plus 416 days of patent term adjustment (USPTO delay)
Today
2007
2028
Clock starts
Jun 19, 2007
Jun 19, 2007
Term ends
Aug 8, 2028
Aug 8, 2028
Granted
Oct 1, 2013
Oct 1, 2013
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
416
Days of term adjustment
Read from the USPTO patent term adjustment record, not recalculated here.
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.
This patent's term runs 416 days past its 20-year base term on 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 Jun 19, 2007, when this application, 11/764,827, was filed | Jun 19, 2027 | High confidence |
| Continuity chain | Every parent in the chain resolved | no change | High confidence |
| Patent term adjustment | +416 days, USPTO patent term adjustment record | Aug 8, 2028 | 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 | Aug 8, 2028 | 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 |
|---|---|---|---|
| Sep 4, 2007 Reel 19777, frame 47 | Davis, Peter | Hover-Davis, Inc. | Assignment of Assignor's Interest |
| Apr 5, 2012 Reel 27993, frame 485 | Hover-Davis, Inc. | Wells Fargo Capital Finance, LLC | Patent Security Agreement |
| May 4, 2012 Reel 28153, frame 826 | Patriarch Partners Agency Services, LLC | Ui Holding Co. and Its Subsidiaries: Universal Instruments Corp., and Hover Davis, Inc. | Release of Security Interest |
| Oct 4, 2013 Reel 31348, frame 931 | Hover-Davis, Inc. | Ui Holding Co. | Assignment of Assignor's Interest |
| Jun 1, 2017 Reel 42564, frame 299 | Wells Fargo Capital Finance | Hover-Davis, Inc. | Release of Security Interest |
| Jun 12, 2017 Reel 42765, frame 848 | Universal Instruments Corporation; Hover-Davis, Inc.; Ui Acquisition Holding Co.; Ui Holding Co. | East West Bank | Patent Security Agreement |
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 2028
Term ends Aug 8, 2028. No further fees fall due before then
Note
The 416 days of patent term adjustment (USPTO delay) are read from the USPTO record, not recalculated by us
Citations
2
later US patents cite this one
That is below the median of utility patents granted in 2013 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.