Maintenance fees coming due
8 maintenance fees come due in the 12 months from Nov 14, 2026, the next on Jan 14, 2027. Unpaid by Jul 14, 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 9,080,463 | Turbine Ring Assembly In force Fee due Jan 14, 2027 Lapses if unpaid Jul 14, 2027 · High confidence | Herakles | In force | Jan 14, 2027 | Jul 14, 2027 | High confidence | |
| US 10,358,746 | Sized Yarn Intended to Undergo a Textile Operation In force Fee due Jan 23, 2027 Lapses if unpaid Jul 23, 2027 · High confidence | Safran Ceramics | In force | Jan 23, 2027 | Jul 23, 2027 | High confidence | |
| US 9,157,330 | Layout of a Blisk In force Fee due Apr 13, 2027 Lapses if unpaid Oct 13, 2027 · High confidence | SNECMA and Herakles | In force | Apr 13, 2027 | Oct 13, 2027 | High confidence | |
| US 10,442,558 | Space Vehicle with Electric Propulsion and Solid Propellant Chemical Propulsion In force Fee due Apr 15, 2027 Lapses if unpaid Oct 15, 2027 · High confidence | Herakles | In force | Apr 15, 2027 | Oct 15, 2027 | High confidence | |
| US 9,188,014 | Vibration Damper Comprising a Strip and Jackets Between Outer Platforms of Adjacent Composite-Material Blades of a Turbine Engine Rotor Wheel In force Fee due May 17, 2027 Lapses if unpaid Nov 17, 2027 · High confidence | SNECMA and Herakles | In force | May 17, 2027 | Nov 17, 2027 | High confidence | |
| US 9,194,240 | Vibration Damper Comprising a Peg Between Outer Platforms of Adjacent Composite-Material Blades of a Turbine Engine Rotor Wheel In force Fee due May 24, 2027 Lapses if unpaid Nov 24, 2027 · High confidence | SNECMA and Herakles | In force | May 24, 2027 | Nov 24, 2027 | High confidence | |
| US 10,539,028 | Method of Optimizing the Profile of a Composite Material Blade for Rotor Wheel of a Turbine Engine, and a Blade Having a Compensated Tang In force Fee due Jul 21, 2027 Lapses if unpaid Jan 21, 2028 · High confidence | SNECMA and Herakles | In force | Jul 21, 2027 | Jan 21, 2028 | High confidence | |
| US 10,590,803 | Turbine Ring Assembly Made from Ceramic Matrix Composite Material In force Fee due Sep 17, 2027 Lapses if unpaid Mar 17, 2028 · High confidence | SNECMA and Herakles | In force | Sep 17, 2027 | Mar 17, 2028 | High confidence |
8 of 8 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.