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Maintenance fees coming due

Herakles

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.
PatentTitleHolderStatusFee dueLapses if unpaidExpiresConfidence
US 9,080,463Turbine Ring Assembly
In force
Fee due Jan 14, 2027
Lapses if unpaid Jul 14, 2027
 · High confidence
HeraklesIn forceJan 14, 2027Jul 14, 2027High confidence
US 10,358,746Sized Yarn Intended to Undergo a Textile Operation
In force
Fee due Jan 23, 2027
Lapses if unpaid Jul 23, 2027
 · High confidence
Safran CeramicsIn forceJan 23, 2027Jul 23, 2027High confidence
US 9,157,330Layout of a Blisk
In force
Fee due Apr 13, 2027
Lapses if unpaid Oct 13, 2027
 · High confidence
SNECMA and HeraklesIn forceApr 13, 2027Oct 13, 2027High confidence
US 10,442,558Space Vehicle with Electric Propulsion and Solid Propellant Chemical Propulsion
In force
Fee due Apr 15, 2027
Lapses if unpaid Oct 15, 2027
 · High confidence
HeraklesIn forceApr 15, 2027Oct 15, 2027High confidence
US 9,188,014Vibration 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 HeraklesIn forceMay 17, 2027Nov 17, 2027High confidence
US 9,194,240Vibration 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 HeraklesIn forceMay 24, 2027Nov 24, 2027High confidence
US 10,539,028Method 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 HeraklesIn forceJul 21, 2027Jan 21, 2028High confidence
US 10,590,803Turbine 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 HeraklesIn forceSep 17, 2027Mar 17, 2028High 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.
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