Maintenance fees coming due
73 maintenance fees come due in the 12 months from Nov 14, 2026, the next on Nov 23, 2026. Unpaid by May 24, 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 11,655,053 | Method for Determining a Recommended Inflation Pressure for an Aircraft Tire, and Associated Maintenance Methods Compagnie Generale des Etablissements Michelin, Safran, Safran Landing Systems and Safran Electronics & Defense In force Fee due Nov 23, 2026 Lapses if unpaid May 24, 2027 · High confidence | Compagnie Generale des Etablissements Michelin, Safran, Safran Landing Systems and Safran Electronics & Defense | In force | Nov 23, 2026 | May 24, 2027 | High confidence | |
| US 11,655,761 | Optimized Heat Exchange System for a Turbomachine In force Fee due Nov 23, 2026 Lapses if unpaid May 24, 2027 · High confidence | Safran | In force | Nov 23, 2026 | May 24, 2027 | High confidence | |
| US 10,301,723 | Turbine Engine Part Coated with a Protective Ceramic Coating, Method for Manufacturing and for Using Such a Part In force Fee due Nov 28, 2026 Lapses if unpaid May 28, 2027 · High confidence | Safran | In force | Nov 28, 2026 | May 28, 2027 | High confidence | |
| US 10,315,367 | Support Tooling for Winding a Fiber Texture, a Method of Fabricating a Fiber Texture, and a Method of Fabricating a Fiber Preform for a Body of Revolution In force Fee due Dec 11, 2026 Lapses if unpaid Jun 11, 2027 · High confidence | Safran Aircraft Engines and Safran | In force | Dec 11, 2026 | Jun 11, 2027 | High confidence | |
| US 11,679,887 | Hybrid Propulsive Architecture for an Aircraft Comprising an Engine with a Reversible Electric Machine Mounted on Two Shafts In force Fee due Dec 20, 2026 Lapses if unpaid Jun 21, 2027 · High confidence | Safran | In force | Dec 20, 2026 | Jun 21, 2027 | High confidence | |
| US 11,686,217 | Oil Collector for a Torque Transmission Device of an Aircraft Turbine Engine In force Fee due Dec 27, 2026 Lapses if unpaid Jun 28, 2027 · High confidence | Safran and Safran Transmission Systems | In force | Dec 27, 2026 | Jun 28, 2027 | High confidence | |
| US 11,691,716 | Propulsion System for an Aircraft In force Fee due Jan 4, 2027 Lapses if unpaid Jul 6, 2027 · High confidence | Safran | In force | Jan 4, 2027 | Jul 6, 2027 | High confidence | |
| US 11,702,371 | Coating for Hot-Shaping Core In force Fee due Jan 18, 2027 Lapses if unpaid Jul 19, 2027 · High confidence | Safran | In force | Jan 18, 2027 | Jul 19, 2027 | High confidence | |
| US 11,707,793 | Device for Holding One or More Electrode(S) for Electrical Discharge Machining, and Method of Obtaining Same In force Fee due Jan 25, 2027 Lapses if unpaid Jul 26, 2027 · High confidence | Safran | In force | Jan 25, 2027 | Jul 26, 2027 | High confidence | |
| US 9,090,025 | Fitting Including a Composite Material Bracket and a Stiffener In force Fee due Jan 28, 2027 Lapses if unpaid Jul 28, 2027 · High confidence | Safran | In force | Jan 28, 2027 | Jul 28, 2027 | High confidence | |
| 63 more maintenance fees coming due in the 12 months from Nov 14, 2026 · Pro | |||||||
10 of 73 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.