Term ends Jun 14, 2033 · High confidence
20-year base term ends Jun 14, 2033
Held by Econtrols, LLC
Filed Jun 10, 2019 as application 16/435,769 · Granted Aug 31, 2021
Base term plus 142 days of patent term adjustment (USPTO delay) · capped by a resolved terminal disclaimer
Today
2013
2033
Clock starts
Jun 14, 2013
Jun 14, 2013
Term ends
Jun 14, 2033
Jun 14, 2033
Granted
Aug 31, 2021
Aug 31, 2021
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
142
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 10,316,797, US 9,957,920.
1 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.
7
Family applications on record here
Applications sharing this one's continuity chain whose file history this site holds. The family may have others.
This patent's term runs 142 days past its 20-year base term on prosecution delay. A terminal disclaimer resolved from the filed document caps it earlier. 1 of 2 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 Jun 14, 2013, when application 13/918,882, the earliest non-provisional in its chain, was filed (this one was filed Jun 10, 2019) | Jun 14, 2033 | High confidence |
| Continuity chain | Every parent in the chain resolved | no change | High confidence |
| Patent term adjustment | +142 days, USPTO patent term adjustment record | Nov 3, 2033 | High confidence |
| Terminal disclaimer cap | Disclaimer resolved from the filed document (refs US 10,316,797, US 9,957,920) | capped to Jun 14, 2033 | High confidence |
| Patent term extension | None on file | no change | High confidence |
| Fee events | 1 of 2 maintenance fees paid | In force | High confidence |
| Computed term end | The steps above, in order | Jun 14, 2033 | High confidence |
This family
| US 9,957,920 | In force Sep 2035 | Sep 2035 |
| Application PCT/US2013/046624 | PCT application no patent term | no patent term |
| US 10,316,797 | In force Jun 2033 | Jun 2033 |
| US 11,105,299 | this patent Jun 2033 | Jun 2033 |
| US 11,781,508 | In force Nov 2033 | Nov 2033 |
| US 12,134,999 | In force Jun 2033 | Jun 2033 |
| Application 18/933,117 | Pending 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 |
|---|---|---|---|
| Oct 13, 2020 Reel 54043, frame 478 | Walser, Michael W.; Walser, Randall W.; Cole, Christopher M.; Sanders, Justin H.; Guglielmo, Kennon H. | Econtrols, 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.
Free plan: 3 watched companies. Pro: unlimited.
Alerts on its grants, lapses and transfers.
What's changing
Jun 2033
Term ends Jun 14, 2033. Maintenance fees still fall due before then
Note
The 142 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 10,316,797, US 9,957,920.
Citations
19
later US patents cite this one
That is top 10% of utility patents granted in 2021 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.