Chengli LI
Held is read from USPTO's recorded assignments; a transfer never recorded there does not appear.
0
Ending by 2030
Aug 2034
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 May 7, 2027The maintenance fee for Leakage current detection interrupter (US 11,808,822) comes due May 7, 2027. Unpaid by Nov 8, 2027, it lapses early.
- 1 fee due Aug 25, 2027The maintenance fee for Ground fault circuit interrupter (US 10,571,526) comes due Aug 25, 2027. Unpaid by Feb 25, 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 5 of 5
| Patent | Title | Status | Expires | Confidence |
|---|---|---|---|---|
| US 9,640,969 | Arc fault circuit interrupter In force · From the USPTO record | In force | From the USPTO record | |
| US 9,713,273 | Fireproof separator board and plug-based circuit interrupter employing the fireproof board In force · From the USPTO record | In force | From the USPTO record | |
| US 10,571,526 | Ground fault circuit interrupter In force · From the USPTO record | In force | From the USPTO record | |
| US 10,770,844 | Leakage current protection device for power plug In force · From the USPTO record | In force | From the USPTO record | |
| US 11,808,822 | Leakage current detection interrupter In force · From the USPTO record | In force | From the USPTO record |
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.