Maintenance fees coming due
3 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 9,063,390 | Aerial Movement System with Reactive Line In force Fee due Dec 23, 2026 Lapses if unpaid Jun 23, 2027 · High confidence | Cablecam, LLC | In force | Dec 23, 2026 | Jun 23, 2027 | High confidence | |
| US 10,469,790 | Control System And Method For An Aerially Moved Payload System In force Fee due May 5, 2027 Lapses if unpaid Nov 5, 2027 · High confidence | Cablecam, LLC | In force | May 5, 2027 | Nov 5, 2027 | High confidence | |
| US 9,337,949 | Control System For An Aerially Moved Payload In force Fee due Nov 10, 2027 Lapses if unpaid May 10, 2028 · Medium confidence | Cablecam, LLC | In force | Nov 10, 2027 | May 10, 2028 | Medium 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.