Polytronics Technology Corp.
9 more in force are now held by other companies
Held is read from USPTO's recorded assignments; a transfer never recorded there does not appear.
Recorded under 2 name spellings.
8
Ending by 2030
Dec 2026
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 Nov 26, 2026The maintenance fee for Surface mountable over-current protection device (US 9,041,507) comes due Nov 26, 2026. Unpaid by May 26, 2027, it lapses early.
- 1 fee due Mar 29, 2027The maintenance fee for Radial-leaded over-current protection device (US 9,147,509) comes due Mar 29, 2027. Unpaid by Sep 29, 2027, it lapses early.
- 2 fees due Apr 22 to 30, 2027 · next Apr 22
- 1 fee due May 3, 2027The maintenance fee for PTC composition and resistive device and LED illumination apparatus using the same (US 9,177,702) comes due May 3, 2027. Unpaid by Nov 3, 2027, it lapses early.
- 2 fees due Jun 3 to 29, 2027 · next Jun 3
- 2 fees due Oct 5 to 7, 2027 · next Oct 5
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 7,352,272 | Over-Current Protection Device In force · High confidence | In force | High confidence | |
| US 7,286,038 | Over-Current Protection Device In force · High confidence | In force | High confidence | |
| US 7,382,224 | Over-current protection device In force · From the USPTO record | In force | From the USPTO record | |
| US 7,391,295 | High Voltage Over-Current Protection Device In force · High confidence | In force | High confidence | |
| US 7,701,322 | Surface-mounted over-current protection device In force · From the USPTO record | In force | From the USPTO record | |
| US 7,708,912 | Variable impedance composition In force · From the USPTO record | In force | From the USPTO record | |
| US 7,852,192 | Protective circuit board and overcurrent protection device thereof In force · From the USPTO record | In force | From the USPTO record | |
| US 7,965,479 | Over-Current and Over-Voltage Protection Assembly Apparatus In force · High confidence | In force | High confidence | |
| US 8,558,656 | Over-current protection device In force · From the USPTO record | In force | From the USPTO record | |
| US 8,421,584 | Over-current protection device and method for manufacturing the same In force · From the USPTO record | In force | From the USPTO record |
Also on record, not counted in the 68: 9 patents in force now held by others · 28 lapsed for an unpaid fee · 4 ended at full term · 1 surrendered on reissue. 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.
10 pending · 4 abandoned · 19 no status recorded