Term ends Feb 4, 2027 · High confidence
20-year base term ends Jan 29, 2027
Filed Jan 29, 2007 as application 11/668,085 · Granted Apr 14, 2009
Base term plus 6 days of patent term adjustment (USPTO delay)
Today
2007
2027
Clock starts
Jan 29, 2007
Jan 29, 2007
Term ends
Feb 4, 2027
Feb 4, 2027
Granted
Apr 14, 2009
Apr 14, 2009
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
6
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 6 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 Jan 29, 2007, when this application, 11/668,085, was filed | Jan 29, 2027 | High confidence |
| Continuity chain | Every parent in the chain resolved | no change | High confidence |
| Patent term adjustment | +6 days, USPTO patent term adjustment record | Feb 4, 2027 | 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 | Feb 4, 2027 | 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 |
|---|---|---|---|
| Jan 29, 2007 Reel 18817, frame 459 | Taylor, Edward Allen | SRI Hermetics Inc. | Assignment of Assignor's Interest |
| Nov 12, 2008 Reel 21817, frame 706 | Taylor, Edward Allen | H-Tech, LLC | Assignment of Assignor's Interest |
| May 9, 2014 Reel 32859, frame 407 | H-Tech, LLC | SRI Hermetics Inc. | Merger |
| Nov 17, 2014 Reel 34279, frame 636 | SRI Hermetics Inc. | SRI Hermetics, LLC | Entity Conversion |
| Nov 17, 2014 Reel 34280, frame 547 | Winchester Electronics Corporation; Clements National Company; Tru Corporation; SRI Hermetics, LLC | Cit Finance LLC | Security Interest |
| Nov 20, 2014 Reel 34306, frame 792 | Winchester Electronics Corporation; Tru Corporation; SRI Hermetics LLC; Clements National Company | Wilmington Trust, National Association, as Collateral Agent | Second Lien Security Agreement |
| Jun 30, 2016 Reel 39218, frame 344 | Clements National Company; SRI Hermetics, LLC; Tru Corporation; Winchester Electronics Corporation | Antares Capital LP, as Administrative Agent | Security Interest |
| Jul 1, 2016 Reel 39234, frame 13 | Wilmington Trust, National Association | Winchester Electronics Corporation; Tru Corporation; SRI Hermetics, LLC; Clements National Company | Release of Security Interest |
| Jul 1, 2016 reel/frame not recorded | Wilmington Trust, National Association | Winchester Electronics Corporation | Release of Security Interest |
| Jul 1, 2016 reel/frame not recorded | Wilmington Trust, National Association | Tru Corporation | Release of Security Interest |
| Jul 1, 2016 reel/frame not recorded | Wilmington Trust, National Association | SRI Hermetics, LLC | Release of Security Interest |
| Jul 1, 2016 reel/frame not recorded | Wilmington Trust, National Association | Clements National Company | Release of Security Interest |
| Jul 14, 2016 Reel 39379, frame 882 | Cit Finance LLC | Winchester Electronics Corporation; Tru Corporation; SRI Hermetics, LLC; Clements National Company | Release of Security Interest |
| Jul 14, 2016 reel/frame not recorded | Cit Finance LLC | Winchester Electronics Corporation | Release of Security Interest |
| Jul 14, 2016 reel/frame not recorded | Cit Finance LLC | Tru Corporation | Release of Security Interest |
| Jul 14, 2016 reel/frame not recorded | Cit Finance LLC | SRI Hermetics, LLC | Release of Security Interest |
| Jul 14, 2016 reel/frame not recorded | Cit Finance LLC | Clements National Company | Release of Security Interest |
| May 22, 2018 Reel 46213, frame 265 | SRI Hermetics, LLC | Winchester Interconnect Hermetics, LLC | Change of Name |
| Oct 24, 2018 Reel 47878, frame 322 | Antares Capital LP, as Collateral Agent | Clements National Company; SRI Hermetics, LLC; Tru Corporation; Winchester Electronics Corporation | Release of Security Interest |
| Oct 24, 2018 reel/frame not recorded | Antares Capital LP, as Collateral Agent | Clements National Company | Release of Security Interest |
| Oct 24, 2018 reel/frame not recorded | Antares Capital LP, as Collateral Agent | SRI Hermetics, LLC | Release of Security Interest |
| Oct 24, 2018 reel/frame not recorded | Antares Capital LP, as Collateral Agent | Tru Corporation | Release of Security Interest |
| Oct 24, 2018 reel/frame not recorded | Antares Capital LP, as Collateral Agent | Winchester Electronics Corporation | Release of Security 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
Feb 2027
Term ends Feb 4, 2027. No further fees fall due before then
Note
The 6 days of patent term adjustment (USPTO delay) are read from the USPTO record, not recalculated by us
Citations
4
later US patents cite this one
That is below the median of utility patents granted in 2009 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.