Also listed on Sub One Technology LLC, an earlier holder on the record. The recorded assignments below show how it moved.
Term ends Mar 31, 2027 · High confidence
20-year base term ended May 10, 2026
Held by Armorlube, LLC
Filed May 10, 2006 as application 11/431,358 · Granted Dec 1, 2009
Base term plus 325 days of patent term adjustment (USPTO delay)
Today
2006
2027
Clock starts
May 10, 2006
May 10, 2006
Term ends
Mar 31, 2027
Mar 31, 2027
Granted
Dec 1, 2009
Dec 1, 2009
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
325
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.
2
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 325 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 May 10, 2006, when this application, 11/431,358, was filed | May 10, 2026 | High confidence |
| Continuity chain | Every parent in the chain resolved | no change | High confidence |
| Patent term adjustment | +325 days, USPTO patent term adjustment record | Mar 31, 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 | Mar 31, 2027 | High confidence |
This family
| US 7,626,135 | this patent Mar 2027 | Mar 2027 |
| Application PCT/US2007/068426 | PCT application no patent term | no patent term |
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 |
|---|---|---|---|
| May 10, 2006 Reel 17891, frame 609 | Boardman, William John; Tudhope, Andrew William; Mercado, Raul Donate; Casserly, Thomas Bryan | Sub-One Technology, Inc. | Assignment of Assignor's Interest |
| Dec 18, 2009 Reel 23703, frame 45 | Sub-One Technology, Inc. | Venture Lending & Leasing V, Inc.; Venture Lending & Leasing IV, Inc. | Security Interest |
| Dec 18, 2009 reel/frame not recorded | Sub-One Technology, Inc. | Venture Lending & Leasing V, Inc. | Security Interest |
| Dec 18, 2009 reel/frame not recorded | Sub-One Technology, Inc. | Venture Lending & Leasing IV, Inc. | Security Interest |
| Oct 12, 2011 Reel 27052, frame 650 | Sub-One Technology, Inc. | Flint Energy Services Inc. | Security Agreement |
| May 25, 2017 Reel 42505, frame 839 | Flint Energy Services Inc. | Sub-One Technology, Inc. | Release of Security Interest |
| May 25, 2017 Reel 42573, frame 789 | Venture Lending and Leasing IV, Inc.; Venture Lending and Leasing V, Inc. | Sub-One Technology, Inc. | Release of Security Interest |
| Jun 21, 2017 Reel 42769, frame 280 | Sub-One Technology, Inc. | Sub-One Technology, LLC. | Assignment of Assignor's Interest |
| Feb 4, 2021 Reel 55152, frame 150 | Sub-One Technology, LLC | Agm Container Controls, Inc. | Assignment of Assignor's Interest |
| Jul 26, 2022 Reel 60626, frame 166 | Agm Container Controls, Inc. | Duralar Italia S.R.L | License |
| Dec 18, 2024 Reel 69623, frame 709 | Agm Container Controls, Inc. | Armorlube, LLC | 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.
What's changing
Mar 2027
Term ends Mar 31, 2027. No further fees fall due before then
Note
The 325 days of patent term adjustment (USPTO delay) are read from the USPTO record, not recalculated by us
Citations
16
later US patents cite this one
That is above 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.