Lapsed Aug 16, 2026 on the fee record · High confidence
20-year base term ends Oct 19, 2038
First maintenance fee unpaid; grace period ended.
Held by The Quantum Group, Inc. and Guillama, Noel J.
Filed Oct 19, 2018 as application 16/165,823 · Granted Aug 16, 2022
Base term, 20 years from filing, plus 175 days of patent term adjustment (USPTO delay)
Today
Lapsed Aug 16, 2026
2018
2039
Clock starts
Oct 19, 2018
Oct 19, 2018
No longer in force
Aug 16, 2026
Aug 16, 2026
Granted
Aug 16, 2022
Aug 16, 2022
Term would have run to
Apr 12, 2039
Apr 12, 2039
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
175
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.
4
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 12, 2039: its 20-year base term plus 175 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 19, 2018, when this application, 16/165,823, was filed | Oct 19, 2038 | High confidence |
| Continuity chain | Every parent in the chain resolved | no change | High confidence |
| Patent term adjustment | +175 days, USPTO patent term adjustment record | Apr 12, 2039 | 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 Aug 16, 2026 | High confidence |
| Computed term end | The steps above, in order | Aug 16, 2026 | High confidence |
This family
| US 11,417,246 | this patent Aug 2026 | Aug 2026 |
| US 11,417,247 | Lapsed on the fee record Aug 2026 | Aug 2026 |
| US 11,942,002 | In force Oct 2038 | Oct 2038 |
| Application 18/590,699 | Abandoned not computed | not computed |
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 13, 2020 Reel 52653, frame 379 | Guillama, Noel J.; Heath, Chester A. | The Quantum Group, Inc.; Guillama, Noel J. | Assignment of Assignor's Interest |
| May 13, 2020 reel/frame not recorded | Guillama, Noel J.; Heath, Chester A. | The Quantum Group, Inc. | Assignment of Assignor's Interest |
| May 13, 2020 reel/frame not recorded | Guillama, Noel J.; Heath, Chester A. | Guillama, Noel J. | 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 175 days of patent term adjustment (USPTO delay) are read from the USPTO record, not recalculated by us
Citations
3
later US patents cite this one
That is above the median of utility patents granted in 2022 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.