Maintenance fees coming due
3 maintenance fees come due in the 12 months from Nov 14, 2026, the next on Jun 26, 2027. Unpaid by Dec 27, 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 11,852,442 | Macro Alignment Reticle Sight System In force Fee due Jun 26, 2027 Lapses if unpaid Dec 27, 2027 · High confidence | Grace Engineering Corp. | In force | Jun 26, 2027 | Dec 27, 2027 | High confidence | |
| US 9,259,825 | Torque Wrench for Archery Broadheads and Fasteners In force (reinstated) Fee due Aug 16, 2027 Lapses if unpaid Feb 16, 2028 · High confidence | Grace Engineering Corp. | In force (reinstated) | Aug 16, 2027 | Feb 16, 2028 | High confidence | |
| US 10,648,770 | Manual Actuators for Thermoelectric Modules and Related Methods In force Fee due Nov 12, 2027 Lapses if unpaid May 12, 2028 · High confidence | Grace Engineering Corp. | In force | Nov 12, 2027 | May 12, 2028 | 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.