Maintenance fees coming due
16 maintenance fees come due in the 12 months from Nov 14, 2026, the next on Jan 11, 2027. Unpaid by Jul 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 11,697,500 | Emergency Egress in a Blended Wing Body Aircraft In force Fee due Jan 11, 2027 Lapses if unpaid Jul 12, 2027 · High confidence | Jetzero, Inc. | In force | Jan 11, 2027 | Jul 12, 2027 | High confidence | |
| US 11,801,932 | Swing-Arm Pivot Piston Landing Gear Systems and Methods In force Fee due Apr 30, 2027 Lapses if unpaid Nov 1, 2027 · High confidence | Jetzero, Inc. | In force | Apr 30, 2027 | Nov 1, 2027 | High confidence | |
| US 11,827,339 | Apparatus for Ingesting Boundary Layer Flow for an Aircraft In force Fee due May 28, 2027 Lapses if unpaid Nov 29, 2027 · High confidence | Jetzero, Inc. | In force | May 28, 2027 | Nov 29, 2027 | High confidence | |
| US 11,827,355 | Elevon Design for All-Axis Control in a Blended Wing Body Aircraft In force Fee due May 28, 2027 Lapses if unpaid Nov 29, 2027 · High confidence | Jetzero ,Inc. | In force | May 28, 2027 | Nov 29, 2027 | High confidence | |
| US 11,851,210 | Aircraft Fueling Apparatus and a Method for Its Use In force Fee due Jun 26, 2027 Lapses if unpaid Dec 27, 2027 · High confidence | Jetzero, Inc. | In force | Jun 26, 2027 | Dec 27, 2027 | High confidence | |
| US 11,878,798 | Blended Wing Body Aircraft with a Fuel Cell and Method of Use In force Fee due Jul 23, 2027 Lapses if unpaid Jan 24, 2028 · High confidence | Jetzero, Inc. | In force | Jul 23, 2027 | Jan 24, 2028 | High confidence | |
| US 11,891,178 | Blended Wing Body Aircraft with a Combustion Engine and Method of Use In force Fee due Aug 6, 2027 Lapses if unpaid Feb 7, 2028 · High confidence | Jetzero, Inc. | In force | Aug 6, 2027 | Feb 7, 2028 | High confidence | |
| US 11,897,601 | Aircraft and Methods of Use for Aerodynamic Control with Winglet Surfaces In force Fee due Aug 13, 2027 Lapses if unpaid Feb 14, 2028 · High confidence | Jetzero, Inc. | In force | Aug 13, 2027 | Feb 14, 2028 | High confidence | |
| US 11,905,027 | Systems and Methods for a Liquified Gas Fuel Tank Incorporated into an Aircraft In force Fee due Aug 20, 2027 Lapses if unpaid Feb 22, 2028 · High confidence | Jetzero, Inc. | In force | Aug 20, 2027 | Feb 22, 2028 | High confidence | |
| US 11,926,410 | Drag Recovery Scheme for Nacelles In force Fee due Sep 12, 2027 Lapses if unpaid Mar 13, 2028 · High confidence | Jetzero, Inc. | In force | Sep 12, 2027 | Mar 13, 2028 | High confidence | |
| 6 more maintenance fees coming due in the 12 months from Nov 14, 2026 · Pro | |||||||
10 of 16 patents shown. Soonest fee due date first, then patent number.
Pro members see every patent with a maintenance fee coming due: number, title, status, the due date, and the date it lapses if the fee goes unpaid through the grace period.
Computed patent terms end on the dates shown. Related patents and pending applications may cover overlapping subject matter.