Maintenance fees coming due
3 maintenance fees come due in the 12 months from Nov 14, 2026, the next on Feb 20, 2027. Unpaid by Aug 20, 2027, that one lapses early.
A maintenance fee does not end a patent on its due date. It falls due at 3.5, 7.5
and 11.5 years from grant, and the patent lapses only if the fee is still unpaid at the end of the
six month grace period that follows.
| Patent | Title | Holder | Status | Fee due | Lapses if unpaid | Expires | Confidence |
|---|---|---|---|---|---|---|---|
| US 10,389,032 | Soldier-Mounted Antenna In force Fee due Feb 20, 2027 Lapses if unpaid Aug 20, 2027 · High confidence | Frontgrade Technologies Inc. | In force | Feb 20, 2027 | Aug 20, 2027 | High confidence | |
| US 11,735,824 | Soldier-Mounted Antenna In force Fee due Feb 22, 2027 Lapses if unpaid Aug 23, 2027 · High confidence | Frontgrade Technologies Inc. | In force | Feb 22, 2027 | Aug 23, 2027 | High confidence | |
| US 11,764,482 | Flat-Plate Antennas and Antenna Systems In force Fee due Mar 19, 2027 Lapses if unpaid Sep 20, 2027 · High confidence | Frontgrade Technologies Inc. | In force | Mar 19, 2027 | Sep 20, 2027 | High confidence |
3 of 3 patents shown. Soonest fee due date first, then patent number.
Computed patent terms end on the dates shown. Related patents and pending applications may cover overlapping subject matter.