Collateral for a security interest recorded Jun 12, 2017 (East West Bank).
Term ends Jun 15, 2029 · High confidence
20-year base term ended Oct 23, 2026
Held by Ui Holding Co.
Filed Oct 23, 2006 as application 11/551,934 · Granted Dec 14, 2010
Base term plus 966 days of patent term adjustment (USPTO delay)
Today
2006
2029
Clock starts
Oct 23, 2006
Oct 23, 2006
Term ends
Jun 15, 2029
Jun 15, 2029
Granted
Dec 14, 2010
Dec 14, 2010
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
966
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 966 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 Oct 23, 2006, when this application, 11/551,934, was filed | Oct 23, 2026 | High confidence |
| Continuity chain | Every parent in the chain resolved | no change | High confidence |
| Patent term adjustment | +966 days, USPTO patent term adjustment record | Jun 15, 2029 | 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 | Jun 15, 2029 | 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 |
|---|---|---|---|
| Oct 23, 2006 Reel 18424, frame 116 | Davis, Peter, MR; Tarrant, Dean, MR; Summers, Michael, MR | Hover-Davis, Inc. | Assignment of Assignor's Interest |
| Nov 22, 2006 Reel 18548, frame 371 | Hover-Davis, Inc. | Morgan Stanley Senior Funding, Inc., as the Administrative Agent | Patent Security Agreement First Lien |
| Dec 7, 2007 Reel 20216, frame 560 | Hover-Davis, Inc. | Morgan Stanley Senior Funding, Inc. | Security Agreement |
| Jul 8, 2010 Reel 24650, frame 564 | Morgan Stanley Senior Funding Inc., as the Administrative Agent | Patriarch Partners Agency Services, LLC, as the Administrative Agent | Change of Administrative Agent |
| 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
Jun 2029
Term ends Jun 15, 2029. No further fees fall due before then
Note
The 966 days of patent term adjustment (USPTO delay) are read from the USPTO record, not recalculated by us
Citations
21
later US patents cite this one
That is above the median of utility patents granted in 2010 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.