Maintenance fees coming due
4 maintenance fees come due in the 12 months from Nov 14, 2026, the next on Apr 10, 2027. Unpaid by Oct 12, 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 11,781,624 | Linear Actuator for Motion Simulator In force Fee due Apr 10, 2027 Lapses if unpaid Oct 12, 2027 · High confidence | D-Box Technologies Inc. | In force | Apr 10, 2027 | Oct 12, 2027 | High confidence | |
| US 9,178,849 | Method and Apparatus for Distributing Motion Signals in a Multi-Seat Environment In force Fee due May 3, 2027 Lapses if unpaid Nov 3, 2027 · High confidence | D-Box Technologies Inc. | In force | May 3, 2027 | Nov 3, 2027 | High confidence | |
| US 10,469,977 | Method and System for Synchronizing Vibro-Kinetic Effects to a Virtual Reality Session In force Fee due May 5, 2027 Lapses if unpaid Nov 5, 2027 · High confidence | D-Box Technologies Inc. | In force | May 5, 2027 | Nov 5, 2027 | High confidence | |
| US 10,515,523 | Media Recognition and Synchronisation to a Motion Signal In force Fee due Jun 24, 2027 Lapses if unpaid Dec 27, 2027 · High confidence | D-Box Technologies Inc. | In force | Jun 24, 2027 | Dec 27, 2027 | High confidence |
4 of 4 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.