Maintenance fees coming due
5 maintenance fees come due in the 12 months from Nov 14, 2026, the next on Dec 23, 2026. Unpaid by Jun 23, 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 9,062,936 | Mount Assembly for Interchanging Optical Sights In force Fee due Dec 23, 2026 Lapses if unpaid Jun 23, 2027 · High confidence | Unity Tactical, LLC | In force | Dec 23, 2026 | Jun 23, 2027 | High confidence | |
| US 11,692,784 | Accessory Mount for Machine Gun Spade Grip In force Fee due Jan 4, 2027 Lapses if unpaid Jul 6, 2027 · Medium confidence | Unity Tactical, LLC | In force | Jan 4, 2027 | Jul 6, 2027 | Medium confidence | |
| US 11,732,995 | Accessory Mount for Machine Gun Spade Grip In force Fee due Feb 22, 2027 Lapses if unpaid Aug 23, 2027 · High confidence | Unity Tactical, LLC | In force | Feb 22, 2027 | Aug 23, 2027 | High confidence | |
| US 10,460,890 | Multi-Pole Dome Switch In force Fee due Apr 29, 2027 Lapses if unpaid Oct 29, 2027 · High confidence | Unity Tactical, LLC | In force | Apr 29, 2027 | Oct 29, 2027 | High confidence | |
| US 10,641,583 | Firearm Accessory Electrical Distribution System In force Fee due Nov 5, 2027 Lapses if unpaid May 5, 2028 · High confidence | Unity Tactical, LLC | In force | Nov 5, 2027 | May 5, 2028 | High confidence |
5 of 5 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.