Chemtronics Co., Ltd.
Held is read from USPTO's recorded assignments; a transfer never recorded there does not appear.
1
Ending by 2030
Dec 2029
Next term end
When these terms end
Held patents by the year their term ends
20262027202820292030203120322033203420352036203720382039204020412042204320442045
Fee deadlines
Maintenance fees fall due 3.5, 7.5 and 11.5 years after grant. A missed fee ends a patent at the end of the six month grace period that follows, not on the due date.
- 1 fee due Aug 27, 2027The maintenance fee for Method of avoiding collision of vehicles at intersection and system performing the same (US 11,915,591) comes due Aug 27, 2027. Unpaid by Feb 28, 2028, it lapses early.
Recent changes
Nothing was recorded against this company's patents in the last 90 days.
Patents held now
Soonest term end first. Each date below is computed on that patent's own page, which shows the rule, the adjustments and the fee history it was derived from.
Showing 1 to 4 of 4
| Patent | Title | Status | Expires | Confidence |
|---|---|---|---|---|
| US 8,789,414 | Level sensing apparatus In force · From the USPTO record | In force | From the USPTO record | |
| US 9,013,447 | Method and Device for Sensing Capacitance Change and Recording Medium in Which Program for Executing Method Is Recorded Thereon, and Method and Device for Sensing Touch Using Method and Recording Medium in Which Program for Executing Method Is Recorded Thereon In force · High confidence | In force | High confidence | |
| US 9,576,189 | Method and apparatus for controlling vehicle using motion recognition with face recognition In force · From the USPTO record | In force | From the USPTO record | |
| US 11,915,591 | Method of avoiding collision of vehicles at intersection and system performing the same In force · From the USPTO record | In force | From the USPTO record |
Also on record, not counted in the 4: 1 lapsed for an unpaid fee · 14 ended at full term. List them
Sources and methods
Compiled from the USPTO record, grants, published applications and recorded assignments, not yet reviewed by hand.
How this record was built
Computed patent terms end on the dates shown. Related patents and pending applications may cover overlapping subject matter.
Published applications
US patent applications published under this name that have not become patents. An application is published about eighteen months after its earliest filing; one that has not been published is in no public record.
1 pending · 2 no status recorded