Collateral for a security interest recorded Nov 21, 2016 (Virtus Group, LP).
Lapsed Jan 8, 2025 on the fee record · High confidence
20-year base term ended Jan 9, 2026
Third maintenance fee unpaid; grace period ended.
Held by Med-Eng, LLC
Filed Nov 13, 2007 as application 11/813,151 · Granted Jan 8, 2013
Base term, 20 years from filing, plus 1204 days of patent term adjustment (USPTO delay)
Today
Lapsed Jan 8, 2025
2006
2029
Clock starts
Jan 9, 2006
Jan 9, 2006
No longer in force
Jan 8, 2025
Jan 8, 2025
Granted
Jan 8, 2013
Jan 8, 2013
Term would have run to
Apr 27, 2029
Apr 27, 2029
base term
patent term adjustment
after the term ends
fee events
Updated Nov 15, 2026 · includes USPTO assignment & status data published Nov 15, 2026 and grant & fee data published Nov 10, 2026 (weekly) · how we know
1,204
Days of term adjustment
Read from the USPTO patent term adjustment record, not recalculated here.
None
Terminal disclaimer
No disclaimer on this record.
2 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.
23
Family applications on record here
Applications sharing this one's continuity chain whose file history this site holds. The family may have others.
Its term would have run to Apr 27, 2029: its 20-year base term plus 1204 days of term adjustment for prosecution delay. 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 9, 2006, when application PCT/CA2006/000015, the earliest non-provisional in its chain, was filed (this one was filed Nov 13, 2007) | Jan 9, 2026 | High confidence |
| Continuity chain | Every parent in the chain resolved | no change | High confidence |
| Patent term adjustment | +1204 days, USPTO patent term adjustment record | Apr 27, 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 | 2 of 3 maintenance fees paid | lapsed Jan 8, 2025 | High confidence |
| Computed term end | The steps above, in order | Jan 8, 2025 | High confidence |
This family
| US 7,841,026 | In force Mar 2028 | Mar 2028 |
| US 7,874,166 | Lapsed on the fee record Jan 2015 | Jan 2015 |
| US 8,347,422 | this patent Jan 2025 | Jan 2025 |
| US 8,622,144 | Lapsed on the fee record Jan 2018 | Jan 2018 |
| Application 12/300,575 | Abandoned not computed | not computed |
| US D629,568 | Term ended Dec 2024 | Dec 2024 |
| US 7,992,421 | In force Dec 2028 | Dec 2028 |
| US 8,400,367 | In force Aug 2029 | Aug 2029 |
8 of 23 applications in this family shown, earliest filings first. 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 13, 2007 Reel 20101, frame 552 | Kalaam, Shaik; Crossman, Danny; Hedge, Clint Alexander; Makris, Aris; Myles, Justin; L`abbe, Richard Jean; Fisher, Geoffrey Richard; Slobozianu, Magda; Palfy, Ildiko; Maach, Ismail El; Farshid, Amir; Almstedt, Brent | Med-Eng Systems Inc. | Assignment of Assignor's Interest |
| Jul 30, 2008 Reel 21311, frame 317 | Medeng Systems Inc. | Allen-Vanguard Technologies Inc. | Articles of Amendment (Change of Name) |
| Mar 14, 2011 Reel 25948, frame 81 | Allen-Vanguard Technologies Inc. | Allen-Vanguard Corporation | Articles of Amalgamation |
| Sep 24, 2013 Reel 31269, frame 135 | Med-Eng, LLC | Wilmington Trust, National Association | Security Agreement |
| Oct 11, 2013 Reel 31389, frame 635 | Mustang Survival ULC | Safariland, LLC | Assignment of Assignor's Interest |
| Oct 11, 2013 Reel 31398, frame 289 | Allen-Vanguard Corporation | Mustang Survival ULC | Assignment of Assignor's Interest |
| Oct 11, 2013 Reel 31400, frame 7 | Safariland, LLC | Med-Eng, LLC | Assignment of Assignor's Interest |
| Oct 17, 2013 Reel 31422, frame 513 | Med-Eng, LLC | Bank of America, N.A., as Agent | Security Agreement |
| Nov 21, 2016 Reel 40660, frame 873 | Wilmington Trust, National Association | Virtus Group, LP | Assignment of Intellectual Property Security Agreements |
| May 11, 2020 Reel 52628, frame 394 | Virtus Group, LP | Guggenheim Credit Services, LLC | Patent Security Interest Agent Agreement |
| May 11, 2020 Reel 52631, frame 737 | Safariland, LLC | Med-Eng, LLC | Corrective Assignment to Correct the Supporting Assignment Agreement Previously Recorded on Reel 031400 Frame 0007. Assignor(S) Hereby Confirms the Assignment. |
| Nov 17, 2020 Reel 54546, frame 619 | Guggenheim Credit Services, LLC, as Agent | Safariland, LLC; Med-Eng, LLC; Med-Eng Holdings ULC; Pacific Safety Products Inc. | Termination and Release of Security Interest in Patent Collateral |
| Nov 17, 2020 Reel 54452, frame 405 | Maui Acquisition Corp.; Safariland, LLC; Safariland Global Sourcing, LLC; Horsepower, LLC; Med-Eng, LLC; Sencan Holdings, LLC; GH Armor Systems Inc.; United Uniform Distribution, LLC; Med-Eng Holdings ULC; Pacific Safety Products Inc.; Atlantic Tactical, Inc.; Defense Technology, LLC; Lawmen's Distribution, LLC; Safariland Distribution, LLC | Guggenheim Credit Services, LLC, as Agent | Patent Security Agreement |
| Nov 17, 2020 reel/frame not recorded | Guggenheim Credit Services, LLC, as Agent | Safariland, LLC | Termination and Release of Security Interest in Patent Collateral |
| Nov 17, 2020 reel/frame not recorded | Guggenheim Credit Services, LLC, as Agent | Med-Eng, LLC | Termination and Release of Security Interest in Patent Collateral |
| Nov 17, 2020 reel/frame not recorded | Guggenheim Credit Services, LLC, as Agent | Med-Eng Holdings ULC | Termination and Release of Security Interest in Patent Collateral |
| Nov 17, 2020 reel/frame not recorded | Guggenheim Credit Services, LLC, as Agent | Pacific Safety Products Inc. | Termination and Release of Security Interest in Patent Collateral |
| Aug 20, 2021 Reel 57248, frame 918 | Med-Eng, LLC | PNC Bank, National Association, as Administrative Agent | Notice of Grant of Security Interest in Patents |
| Aug 24, 2021 Reel 57265, frame 736 | Bank Of America, N.a. | Med-Eng, LLC | Release of Security Interest |
| Nov 3, 2021 Reel 58014, frame 745 | Guggenheim Credit Services, LLC, as Agent | Cadre Holdings, Inc.; Safariland, LLC; Safariland Global Sourcing, LLC; Horsepower, LLC; Med-Eng, LLC; Sencan Holdings, LLC; Atlantic Tactical, Inc.; Lawmen's Distribution, LLC; Safariland Distribution, LLC; United Uniform Distribution, LLC; GH Armor Systems, Inc.; Med-Eng Holdings ULC; Pacific Safety Products Inc.; Defense Technology, LLC | Release of Security Interest |
| Nov 3, 2021 reel/frame not recorded | Guggenheim Credit Services, LLC, as Agent | Cadre Holdings, Inc. | Release of Security Interest |
| Nov 3, 2021 reel/frame not recorded | Guggenheim Credit Services, LLC, as Agent | Safariland, LLC | Release of Security Interest |
| Nov 3, 2021 reel/frame not recorded | Guggenheim Credit Services, LLC, as Agent | Safariland Global Sourcing, LLC | Release of Security Interest |
| Nov 3, 2021 reel/frame not recorded | Guggenheim Credit Services, LLC, as Agent | Horsepower, LLC | Release of Security Interest |
| Nov 3, 2021 reel/frame not recorded | Guggenheim Credit Services, LLC, as Agent | Med-Eng, LLC | Release of Security Interest |
| Nov 3, 2021 reel/frame not recorded | Guggenheim Credit Services, LLC, as Agent | Sencan Holdings, LLC | Release of Security Interest |
| Nov 3, 2021 reel/frame not recorded | Guggenheim Credit Services, LLC, as Agent | Atlantic Tactical, Inc. | Release of Security Interest |
| Nov 3, 2021 reel/frame not recorded | Guggenheim Credit Services, LLC, as Agent | Lawmen's Distribution, LLC | Release of Security Interest |
| Nov 3, 2021 reel/frame not recorded | Guggenheim Credit Services, LLC, as Agent | Safariland Distribution, LLC | Release of Security Interest |
| Nov 3, 2021 reel/frame not recorded | Guggenheim Credit Services, LLC, as Agent | United Uniform Distribution, LLC | Release of Security Interest |
| Nov 3, 2021 reel/frame not recorded | Guggenheim Credit Services, LLC, as Agent | GH Armor Systems, Inc. | Release of Security Interest |
| Nov 3, 2021 reel/frame not recorded | Guggenheim Credit Services, LLC, as Agent | Med-Eng Holdings ULC | Release of Security Interest |
| Nov 3, 2021 reel/frame not recorded | Guggenheim Credit Services, LLC, as Agent | Pacific Safety Products Inc. | Release of Security Interest |
| Nov 3, 2021 reel/frame not recorded | Guggenheim Credit Services, LLC, as Agent | Defense Technology, LLC | 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.
What's changing
Note
The 1204 days of patent term adjustment (USPTO delay) are read from the USPTO record, not recalculated by us
Citations
33
later US patents cite this one
That is top 25% 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.