Amprius Technologies, Inc.
Held is read from USPTO's recorded assignments; a transfer never recorded there does not appear.
13
Ending by 2030
May 2029
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 Jan 4, 2027The maintenance fee for Deposition on two sides of a web (US 11,695,125) comes due Jan 4, 2027. Unpaid by Jul 6, 2027, it lapses early.
- 1 fee due Feb 18, 2027The maintenance fee for Forming multilayered solid electrolyte interphase structures on high capacity electrodes (US 9,112,212) comes due Feb 18, 2027. Unpaid by Aug 18, 2027, it lapses early.
- 1 fee due Mar 22, 2027The maintenance fee for Electrolytes for rechargeable batteries (US 9,142,864) comes due Mar 22, 2027. Unpaid by Sep 22, 2027, it lapses early.
- 4 fees due Apr 10 to 29, 2027 · next Apr 10
- 2 fees due Jun 8 to 26, 2027 · next Jun 8
- 1 fee due Jul 5, 2027The maintenance fee for Interconnected hollow nanostructures containing high capacity active materials for use in rechargeable batteries (US 9,231,243) comes due Jul 5, 2027. Unpaid by Jan 5, 2028, it lapses early.
- 1 fee due Sep 15, 2027The maintenance fee for Silicon-embedded copper nanostructure network for high energy storage (US 9,287,560) comes due Sep 15, 2027. Unpaid by Mar 15, 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 8,257,866 | Template electrode structures for depositing active materials In force · From the USPTO record | In force | From the USPTO record | |
| US 10,090,512 | Electrode including nanostructures for rechargeable cells In force · From the USPTO record | In force | From the USPTO record | |
| US 10,811,675 | Electrode including nanostructures for rechargeable cells In force · From the USPTO record | In force | From the USPTO record | |
| US 11,996,550 | Template electrode structures for depositing active materials In force · From the USPTO record | In force | From the USPTO record | |
| US 9,172,094 | Template electrode structures for depositing active materials In force · From the USPTO record | In force | From the USPTO record | |
| US 8,556,996 | Template electrode structures for depositing active materials In force · From the USPTO record | In force | From the USPTO record | |
| US 11,024,841 | Template electrode structures for depositing active materials In force · From the USPTO record | In force | From the USPTO record | |
| US 9,231,243 | Interconnected hollow nanostructures containing high capacity active materials for use in rechargeable batteries In force · From the USPTO record | In force | From the USPTO record | |
| US 10,461,359 | Interconnected hollow nanostructures containing high capacity active materials for use in rechargeable batteries In force · From the USPTO record | In force | From the USPTO record | |
| US 11,695,125 | Deposition on two sides of a web 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.