Essai, Inc.
Held is read from USPTO's recorded assignments; a transfer never recorded there does not appear.
7
Ending by 2030
Apr 2027
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 Dec 2, 2026The maintenance fee for Universal spring contact pin and IC test socket therefor (US 9,046,568) comes due Dec 2, 2026. Unpaid by Jun 2, 2027, it lapses early.
- 1 fee due May 19, 2027The maintenance fee for Contactor with angled depressible probes (US 10,481,175) comes due May 19, 2027. Unpaid by Nov 19, 2027, it lapses early.
- 1 fee due Jul 5, 2027The maintenance fee for Systems and methods for conforming test tooling to integrated circuit device profiles with compliant pedestals (US 9,229,049) comes due Jul 5, 2027. Unpaid by Jan 5, 2028, it lapses early.
- 1 fee due Aug 20, 2027The maintenance fee for Probe system for QFP integrated circuit device test tooling (US 11,906,550) comes due Aug 20, 2027. Unpaid by Feb 22, 2028, it lapses early.
- 1 fee due Sep 8, 2027The maintenance fee for Systems and methods for conforming test tooling to integrated circuit device profiles with sockets having secured and replaceable bushings (US 9,279,852) comes due Sep 8, 2027. Unpaid by Mar 8, 2028, it lapses early.
Recent changes
- 1 of the patents on this record was granted since Aug 16, 2026
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 7,583,097 | Contactor nest for an IC device and method In force · From the USPTO record | In force | From the USPTO record | |
| US 11,378,588 | Contactor with angled depressible probes in shifted bores In force · From the USPTO record | In force | From the USPTO record | |
| US 10,481,175 | Contactor with angled depressible probes In force · From the USPTO record | In force | From the USPTO record | |
| US 7,651,340 | Chip actuator cover assembly In force · From the USPTO record | In force | From the USPTO record | |
| US 9,766,268 | Contactor with angled spring probes In force · From the USPTO record | In force | From the USPTO record | |
| US 7,663,388 | Active thermal control unit for maintaining the set point temperature of a DUT In force · From the USPTO record | In force | From the USPTO record | |
| US 9,383,406 | Systems and methods for conforming device testers to integrated circuit device with pressure relief valve In force · From the USPTO record | In force | From the USPTO record | |
| US 10,126,356 | Systems and methods for conforming test tooling to integrated circuit device with whirlwind cold plate In force · From the USPTO record | In force | From the USPTO record | |
| US 8,493,085 | Spring contact pin for an ic test socket and the like In force · From the USPTO record | In force | From the USPTO record | |
| US 9,229,049 | Systems and methods for conforming test tooling to integrated circuit device profiles with compliant pedestals 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.
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.
3 pending · 4 no status recorded