Maintech Co., Ltd.
Held is read from USPTO's recorded assignments; a transfer never recorded there does not appear.
0
Ending by 2030
Jun 2031
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 Jul 23, 2027The maintenance fee for Monitoring Camera Device (US 11,882,348) comes due Jul 23, 2027. Unpaid by Jan 24, 2028, it lapses early.
- 1 fee due Oct 14, 2027The maintenance fee for Contamination inhibitor composition (US 10,619,299) comes due Oct 14, 2027. Unpaid by Apr 14, 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.
| Patent | Title | Status | Expires | Confidence |
|---|---|---|---|---|
| US 9,005,394 | Anti-Soiling Agent Composition In force · High confidence | In force | High confidence | |
| US 9,458,572 | Method of using an anti-soiling agent composition In force · From the USPTO record | In force | From the USPTO record | |
| US 9,937,521 | Method for spraying chemical solution In force · From the USPTO record | In force | From the USPTO record | |
| US 10,273,631 | Method of Spraying Chemical Solution In force · High confidence | In force | High confidence | |
| US 10,619,299 | Contamination inhibitor composition In force · From the USPTO record | In force | From the USPTO record | |
| US 10,870,118 | Nozzle cap, nozzle device provided with such cap, and spraying method of chemical solution In force · From the USPTO record | In force | From the USPTO record | |
| US 11,008,706 | Canvas cleaning device, canvas cleaning method and canvas cleaning mechanism In force · From the USPTO record | In force | From the USPTO record | |
| US 11,214,710 | Anti-contamination agent composition In force · From the USPTO record | In force | From the USPTO record | |
| US 11,882,348 | Monitoring Camera Device In force · High confidence | In force | High confidence | |
| US 12,006,632 | Monitoring System In force · High confidence | In force | High confidence |
Also on record, not counted in the 12: 5 lapsed for an unpaid fee · 3 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.
2 pending · 5 no status recorded