Also listed on Core Industries, LLC, an earlier holder on the record. The recorded assignments below show how it moved.
Collateral for a security interest recorded Jul 21, 2026 (Twin Brook Capital Partners, LLC).
Term ends Nov 19, 2028 · High confidence
20-year base term ended Jun 8, 2025
Held by Core Health & Fitness, LLC
Filed Jun 8, 2005 as application 11/148,008 · Granted Jan 19, 2010
Base term plus 1260 days of patent term adjustment (USPTO delay)
Today
2005
2028
Clock starts
Jun 8, 2005
Jun 8, 2005
Term ends
Nov 19, 2028
Nov 19, 2028
Granted
Jan 19, 2010
Jan 19, 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
1,260
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 1260 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 Jun 8, 2005, when this application, 11/148,008, was filed | Jun 8, 2025 | High confidence |
| Continuity chain | Every parent in the chain resolved | no change | High confidence |
| Patent term adjustment | +1260 days, USPTO patent term adjustment record | Nov 19, 2028 | 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 | Nov 19, 2028 | 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 |
|---|---|---|---|
| Sep 12, 2005 Reel 16963, frame 295 | Chiles, Mark W.; Corbalis, Kevin P.; Wallace, Gregory Allen | Unisen, Inc., Dba Star Trac | Assignment of Assignor's Interest |
| Dec 8, 2010 Reel 25520, frame 733 | Unisen, Inc., a California Corporation Dba Star Trac | Kelmscott Communications LLC, a Delaware Limited Liability Company Dba Orange County Printing | Lien |
| Oct 10, 2011 Reel 27036, frame 959 | Kelmscott Communications LLC, Dba Orange County Printing | Unisen, Inc., Dba Star Trac | Release of Lien |
| Apr 15, 2013 Reel 30213, frame 390 | Core Fitness, LLC; Core Health & Fitness, LLC; Core Industries LLC | Pnc Bank, National Association | Security Agreement |
| Apr 22, 2013 Reel 30258, frame 439 | Unisen, Inc. | Core Industries, LLC | Nunc Pro Tunc Assignment |
| Jan 10, 2020 Reel 51478, frame 336 | Core Fitness LLC; Core Industries LLC; Land America Health & Fitness Co. Ltd. | Core Health & Fitness, LLC | Assignment of Assignor's Interest |
| Feb 3, 2020 Reel 51700, frame 402 | Core Health & Fitness, LLC | Pnc Bank, National Association | Security Interest |
| Mar 5, 2020 Reel 52029, frame 112 | Core Health & Fitness, LLC | Cortland Capital Market Services LLC | Security Interest |
| Jun 17, 2024 Reel 67742, frame 802 | Core Health & Fitness, LLC | Acquiom Agency Services LLC | Security Interest |
| Jun 17, 2024 Reel 67748, frame 529 | Cortland Capital Market Services LLC | Core Health & Fitness, LLC | Release of Security Interest |
| Jul 21, 2026 Reel 75340, frame 51 | Core Health & Fitness, LLC | Twin Brook Capital Partners, LLC | Security Interest |
| Aug 4, 2026 Reel 75525, frame 313 | Pnc Bank, National Association | Core Health & Fitness, LLC | Release of Security Interest |
| Aug 4, 2026 Reel 75526, frame 523 | Acquiom Agency Services LLC | Core Health & Fitness, 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.
Free plan: 3 watched companies. Pro: unlimited.
Alerts on its grants, lapses and transfers.
What's changing
Nov 2028
Term ends Nov 19, 2028. No further fees fall due before then
Note
The 1260 days of patent term adjustment (USPTO delay) are read from the USPTO record, not recalculated by us
Citations
170
later US patents cite this one
That is top 5% 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.