Techhold, LLC
Held is read from USPTO's recorded assignments; a transfer never recorded there does not appear.
0
Ending by 2030
Jul 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 Nov 30, 2026The maintenance fee for Overvoltage protection assembly (US 11,664,653) comes due Nov 30, 2026. Unpaid by Jun 1, 2027, it lapses early.
- 1 fee due Jan 28, 2027The maintenance fee for Lower power localized distributed radio frequency transmitter (US 9,093,755) comes due Jan 28, 2027. Unpaid by Jul 28, 2027, it lapses early.
- 1 fee due Sep 5, 2027The maintenance fee for Control system for transformer protection system (US 11,923,129) comes due Sep 5, 2027. Unpaid by Mar 6, 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 8,537,508 | Sensing and control electronics for a power grid protection system In force · From the USPTO record | In force | From the USPTO record | |
| US 8,547,710 | Electromagnetically shielded power module In force · From the USPTO record | In force | From the USPTO record | |
| US RE48,775 | Self-testing features of sensing and control electronics for a power grid protection system In force · From the USPTO record | In force | From the USPTO record | |
| US 8,642,900 | Modular electromagnetically shielded enclosure In force · From the USPTO record | In force | From the USPTO record | |
| US 8,643,772 | Electromagnetically shielded video camera and shielded enclosure for image capture devices In force · From the USPTO record | In force | From the USPTO record | |
| US 8,754,980 | Electromagnetically shielded camera and shielded enclosure for image capture devices In force · From the USPTO record | In force | From the USPTO record | |
| US 8,599,576 | Electromagnetically-protected electronic equipment In force · From the USPTO record | In force | From the USPTO record | |
| US 8,773,107 | Electromagnetic field detection systems and methods In force · From the USPTO record | In force | From the USPTO record | |
| US 8,760,859 | Electromagnetically-shielded portable storage device In force · From the USPTO record | In force | From the USPTO record | |
| US 8,933,393 | Electromagnetically-shielded optical system having a waveguide beyond cutoff extending through a shielding surface of an electromagnetically shielding enclosure In force · From the USPTO record | In force | From the USPTO record |
Also on record, not counted in the 29: 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.
2 pending