Lapsed Jan 1, 2023 on the fee record · Medium confidence
20-year base term ends Apr 23, 2027
Why Medium: A parent in the chain could not be resolved.
First maintenance fee unpaid; grace period ended.
Held by Phoenix Caliente LLC
Filed Sep 13, 2013 as application 14/026,842 · Granted Jan 1, 2019
Base term, 20 years from filing, plus 1197 days of patent term adjustment (USPTO delay) · capped by a resolved terminal disclaimer
Today
Lapsed Jan 1, 2023
2007
2028
Clock starts
Apr 23, 2007
Apr 23, 2007
No longer in force
Jan 1, 2023
Jan 1, 2023
Granted
Jan 1, 2019
Jan 1, 2019
Term would have run to
Apr 26, 2028
Apr 26, 2028
base term
patent term adjustment
after the term ends
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
1,197
Days of term adjustment
Read from the USPTO patent term adjustment record, not recalculated here.
Capped
Terminal disclaimer
Resolved from the filed document, referencing US 10,039,996.
0 of 2
Maintenance fees paid
Two maintenance fees can end this term early, the ones due 3.5 and 7.5 years from grant; the third one's grace period runs past the term end. This counts the ones the record shows paid.
14
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 26, 2028: its 20-year base term plus 1197 days of term adjustment for prosecution delay. A terminal disclaimer resolved from the filed document caps it earlier. Confidence: Medium. 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 Apr 23, 2007, when application 11/738,644, the earliest non-provisional in its chain, was filed (this one was filed Sep 13, 2013); a parent in its chain could not be resolved (the next row) | Apr 23, 2027 | High confidence |
| Continuity chain | A parent in the chain could not be resolved | dated from this application's own claim | Medium confidence |
| Patent term adjustment | +1197 days, USPTO patent term adjustment record | Aug 2, 2030 | High confidence |
| Terminal disclaimer cap | Disclaimer resolved from the filed document (refs US 10,039,996) | capped to Apr 26, 2028 | High confidence |
| Patent term extension | None on file | no change | High confidence |
| Fee events | 0 of 2 maintenance fees paid | lapsed Jan 1, 2023 | High confidence |
| Computed term end | The steps above, in order | Jan 1, 2023 | Medium confidence |
This family
| US 7,614,367 | Lapsed on the fee record Nov 2021 | Nov 2021 |
| Application 12/615,331 | Abandoned not computed | not computed |
| US 8,371,251 | Lapsed on the fee record Feb 2021 | Feb 2021 |
| Application 13/069,363 | Abandoned not computed | not computed |
| Application 13/467,551 | Abandoned not computed | not computed |
| Application 13/555,122 | Abandoned not computed | not computed |
| US 9,776,102 | Lapsed on the fee record Oct 2025 | Oct 2025 |
| US 10,166,489 | this patent Jan 2023 | Jan 2023 |
8 of 14 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 |
|---|---|---|---|
| Apr 21, 2017 Reel 42088, frame 527 | Frick, F. Alan | Phoenix Caliente 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.
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Alerts on its grants, lapses and transfers.
What's changing
Note
The 1197 days of patent term adjustment (USPTO delay) are read from the USPTO record, not recalculated by us
Disclaimer cap
This term is capped by a terminal disclaimer resolved from the filed document, referencing US 10,039,996.
Citations
12
later US patents cite this one
That is top 25% of utility patents granted in 2019 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.