Maintenance fees coming due

SNECMA

21 maintenance fees come due in the 12 months from Nov 14, 2026, the next on Nov 28, 2026. Unpaid by May 28, 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 10,302,550	Peeling Test Coupon SNECMA In force Fee due Nov 28, 2026 Lapses if unpaid May 28, 2027 Term ends Jan 26, 2036 · High confidence	SNECMA	In force	Nov 28, 2026	May 28, 2027	Term ends Jan 26, 2036	High confidence
US 10,352,326	Assembly for an Engine Which Can Define a Blade Break-Off Test Device SNECMA In force Fee due Jan 16, 2027 Lapses if unpaid Jul 16, 2027 Term ends Jun 14, 2037 · High confidence	SNECMA	In force	Jan 16, 2027	Jul 16, 2027	Term ends Jun 14, 2037	High confidence
US 10,371,009	Turbomachine Casing Comprising a Cavity-Free Shroud and Yokes Reinforced by Stiffeners Safran Aircraft Engines In force Fee due Feb 6, 2027 Lapses if unpaid Aug 6, 2027 Term ends May 26, 2036 · High confidence	Safran Aircraft Engines	In force	Feb 6, 2027	Aug 6, 2027	Term ends May 26, 2036	High confidence
US 10,385,706	Rotary Assembly for a Turbomachine SNECMA In force Fee due Feb 20, 2027 Lapses if unpaid Aug 20, 2027 Term ends Aug 10, 2036 · High confidence	SNECMA	In force	Feb 20, 2027	Aug 20, 2027	Term ends Aug 10, 2036	High confidence
US 10,385,708	Guide Assembly with Optimised Aerodynamic Performance SNECMA In force Fee due Feb 20, 2027 Lapses if unpaid Aug 20, 2027 Term ends Jul 30, 2036 · High confidence	SNECMA	In force	Feb 20, 2027	Aug 20, 2027	Term ends Jul 30, 2036	High confidence
US 10,436,119	Assembly for Passing an Electrical Harness into a Turbine Engine SNECMA In force Fee due Apr 8, 2027 Lapses if unpaid Oct 8, 2027 Term ends Mar 24, 2036 · High confidence	SNECMA	In force	Apr 8, 2027	Oct 8, 2027	Term ends Mar 24, 2036	High confidence
US 10,436,627	Oil Level Sensor SNECMA In force Fee due Apr 8, 2027 Lapses if unpaid Oct 8, 2027 Term ends May 27, 2036 · High confidence	SNECMA	In force	Apr 8, 2027	Oct 8, 2027	Term ends May 27, 2036	High confidence
US 9,157,330	Layout of a Blisk SNECMA and Herakles In force Fee due Apr 13, 2027 Lapses if unpaid Oct 13, 2027 Term ends Jun 21, 2032 · High confidence	SNECMA and Herakles	In force	Apr 13, 2027	Oct 13, 2027	Term ends Jun 21, 2032	High confidence
US 10,458,550	Reduction in the Leakage Flow Rate of a Brush Seal by Flexible Geometric Obstruction Safran Aircraft Engines In force Fee due Apr 29, 2027 Lapses if unpaid Oct 29, 2027 Term ends Aug 11, 2035 · High confidence	Safran Aircraft Engines	In force	Apr 29, 2027	Oct 29, 2027	Term ends Aug 11, 2035	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 SNECMA and Herakles In force Fee due May 17, 2027 Lapses if unpaid Nov 17, 2027 Term ends Jan 3, 2033 · High confidence	SNECMA and Herakles	In force	May 17, 2027	Nov 17, 2027	Term ends Jan 3, 2033	High confidence
11 more maintenance fees coming due in the 12 months from Nov 14, 2026 · Pro

10 of 21 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.

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Computed patent terms end on the dates shown. Related patents and pending applications may cover overlapping subject matter.