Collateral for a security interest recorded Dec 14, 2016 (Virtus Group, LP).
Lapsed Jan 7, 2018 on the fee record · High confidence
20-year base term ends Oct 31, 2028
First maintenance fee unpaid; grace period ended.
Held by Med-Eng Holdings ULC
Filed Oct 31, 2008 as application 12/262,681 · Granted Jan 7, 2014
Base term, 20 years from filing, plus 855 days of patent term adjustment (USPTO delay)
Today
Lapsed Jan 7, 2018
2008
2031
Clock starts
Oct 31, 2008
Oct 31, 2008
No longer in force
Jan 7, 2018
Jan 7, 2018
Granted
Jan 7, 2014
Jan 7, 2014
Term would have run to
Mar 5, 2031
Mar 5, 2031
base term
patent term adjustment
after the term ends
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
855
Days of term adjustment
Read from the USPTO patent term adjustment record, not recalculated here.
None
Terminal disclaimer
No disclaimer on this record.
0 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 Mar 5, 2031: its 20-year base term plus 855 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 Oct 31, 2008, when this application, 12/262,681, was filed | Oct 31, 2028 | High confidence |
| Continuity chain | Every parent in the chain resolved | no change | High confidence |
| Patent term adjustment | +855 days, USPTO patent term adjustment record | Mar 5, 2031 | 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 | 0 of 3 maintenance fees paid | lapsed Jan 7, 2018 | High confidence |
| Computed term end | The steps above, in order | Jan 7, 2018 | 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 | Lapsed on the fee record Jan 2025 | Jan 2025 |
| US 8,622,144 | this patent 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 |
|---|---|---|---|
| Oct 31, 2008 Reel 21769, frame 795 | Davis, John; Sorak, Dragan | Allen-Vanguard Corporation | Assignment of Assignor's Interest |
| Jul 31, 2014 Reel 33432, frame 833 | Allen-Vanguard Corporation | Med-Eng Holdings ULC | Assignment of Assignor's Interest |
| Dec 14, 2016 Reel 40736, frame 388 | Med-Eng Holdings ULC; Med-Eng, LLC; Mustang Survival ULC; Tactical Command Industries, Inc.; Safariland, LLC | Virtus Group, LP | Security Interest |
| May 11, 2020 Reel 52622, frame 585 | Virtus Group, LP | Guggenheim Credit Services, LLC | Patent Security Interest Agent Agreement |
| 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/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 |
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 855 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 2014 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.