Term ends Oct 18, 2038 · High confidence
20-year base term ends Oct 12, 2038
Held by Intermatic LLC
Filed Oct 12, 2018 as application 16/159,190 · Granted Apr 25, 2023
Base term plus 6 days of patent term adjustment (USPTO delay)
Today
2018
2038
Clock starts
Oct 12, 2018
Oct 12, 2018
Term ends
Oct 18, 2038
Oct 18, 2038
Granted
Apr 25, 2023
Apr 25, 2023
base term
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
6
Days of term adjustment
Read from the USPTO patent term adjustment record, not recalculated here.
None
Terminal disclaimer
No disclaimer on this record.
1 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 6 days past its 20-year base term on prosecution delay. 1 of 3 maintenance fees is paid so far. 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 12, 2018, when this application, 16/159,190, was filed | Oct 12, 2038 | High confidence |
| Continuity chain | Every parent in the chain resolved | no change | High confidence |
| Patent term adjustment | +6 days, USPTO patent term adjustment record | Oct 18, 2038 | 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 | 1 of 3 maintenance fees paid | In force | High confidence |
| Computed term end | The steps above, in order | Oct 18, 2038 | 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 |
|---|---|---|---|
| Nov 9, 2018 Reel 48100, frame 885 | Lowe, Zachary; Murphy, Charles | Heating Solutions LLC | Assignment of Assignor's Interest |
| Mar 20, 2023 Reel 63033, frame 374 | Heating Solutions LLC | Intermatic Incorporated | Assignment of Assignor's Interest |
| Apr 16, 2025 Reel 70854, frame 245 | Intermatic LLC | Cibc Bank USA | Security Interest |
| Apr 25, 2025 Reel 71061, frame 129 | Intermatic Incorporated | Intermatic LLC | Change of Name |
| May 1, 2025 Reel 71149, frame 792 | Intermatic Incorporated | Intermatic LLC | Change of Name |
| Jun 12, 2025 Reel 71566, frame 478 | Intermatic Incorporated | Intermatic LLC | Owner Entity Conversion |
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
Oct 2038
Term ends Oct 18, 2038. Maintenance fees still fall due before then
Note
The 6 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 above the median of utility patents granted in 2023 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.