Maintenance fees coming due

RTX Corporation

2,017 maintenance fees come due in the 12 months from Nov 14, 2026, the next on Nov 14, 2026. Unpaid by May 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 10,287,024	Direct Drive Aft Fan Engine RTX Corporation In force Fee due Nov 14, 2026 Lapses if unpaid May 14, 2027 Term ends Aug 4, 2037 · High confidence	RTX Corporation	In force	Nov 14, 2026	May 14, 2027	Term ends Aug 4, 2037	High confidence
US 10,287,982	Folded Heat Exchanger for Cooled Cooling Air RTX Corporation In force Fee due Nov 14, 2026 Lapses if unpaid May 14, 2027 Term ends Nov 7, 2037 · High confidence	RTX Corporation	In force	Nov 14, 2026	May 14, 2027	Term ends Nov 7, 2037	High confidence
US 10,290,160	Vehicle Data Collection System and Method RTX Corporation In force Fee due Nov 14, 2026 Lapses if unpaid May 14, 2027 Term ends Apr 3, 2037 · High confidence	RTX Corporation	In force	Nov 14, 2026	May 14, 2027	Term ends Apr 3, 2037	High confidence
US 9,033,631	High Temperature Thread Locking Compound RTX Corporation In force Fee due Nov 19, 2026 Lapses if unpaid May 19, 2027 Term ends Nov 7, 2032 · High confidence	RTX Corporation	In force	Nov 19, 2026	May 19, 2027	Term ends Nov 7, 2032	High confidence
US 10,293,378	Powder Processing Apparatus for Classifying and Degassing RTX Corporation In force Fee due Nov 21, 2026 Lapses if unpaid May 21, 2027 Term ends May 5, 2036 · High confidence	RTX Corporation	In force	Nov 21, 2026	May 21, 2027	Term ends May 5, 2036	High confidence
US 10,294,870	Distributed Engine Accessory Drive RTX Corporation In force Fee due Nov 21, 2026 Lapses if unpaid May 21, 2027 Term ends Oct 22, 2034 · High confidence	RTX Corporation	In force	Nov 21, 2026	May 21, 2027	Term ends Oct 22, 2034	High confidence
US 9,038,367	Fan Case Thrust Reverser RTX Corporation In force Fee due Nov 26, 2026 Lapses if unpaid May 26, 2027 Term ends Mar 26, 2034 · High confidence	RTX Corporation	In force	Nov 26, 2026	May 26, 2027	Term ends Mar 26, 2034	High confidence
US 9,039,887	Component Finishing Method and Assembly RTX Corporation In force Fee due Nov 26, 2026 Lapses if unpaid May 26, 2027 Term ends Apr 18, 2033 · High confidence	RTX Corporation	In force	Nov 26, 2026	May 26, 2027	Term ends Apr 18, 2033	High confidence
US 10,301,961	Gas Turbine Engine Rapid Response Clearance Control System RTX Corporation In force Fee due Nov 28, 2026 Lapses if unpaid May 28, 2027 Term ends Jul 2, 2035 · High confidence	RTX Corporation	In force	Nov 28, 2026	May 28, 2027	Term ends Jul 2, 2035	High confidence
US 10,304,262	Aircraft Data Management System and Method RTX Corporation In force Fee due Nov 28, 2026 Lapses if unpaid May 28, 2027 Term ends Sep 26, 2036 · High confidence	RTX Corporation	In force	Nov 28, 2026	May 28, 2027	Term ends Sep 26, 2036	High confidence
2,007 more maintenance fees coming due in the 12 months from Nov 14, 2026 · Pro

10 of 2,017 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.