Maintenance fees coming due

PACCAR Inc

69 maintenance fees come due in the 12 months from Nov 14, 2026, the next on Nov 21, 2026. Unpaid by May 21, 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 10,293,869	Ground Vehicle Air Data Systems and Associated Methods Paccar Inc. In force Fee due Nov 21, 2026 Lapses if unpaid May 21, 2027 Term ends Nov 4, 2037 · High confidence	Paccar Inc.	In force	Nov 21, 2026	May 21, 2027	Term ends Nov 4, 2037	High confidence
US 11,655,744	Predictive Ammonia Release Control Paccar Inc. In force Fee due Nov 23, 2026 Lapses if unpaid May 24, 2027 Term ends Jan 4, 2041 · High confidence	Paccar Inc.	In force	Nov 23, 2026	May 24, 2027	Term ends Jan 4, 2041	High confidence
US 11,661,878	Control of Selective Catalytic Reduction in Heavy-Duty Motor Vehicle Engines PACCAR Inc In force Fee due Nov 30, 2026 Lapses if unpaid Jun 1, 2027 Term ends Aug 25, 2040 · High confidence	PACCAR Inc	In force	Nov 30, 2026	Jun 1, 2027	Term ends Aug 25, 2040	High confidence
US 11,661,880	Methods for Making and Using SCR Catalyst On-Board Diagnostic Limit Parts PACCAR Inc In force Fee due Nov 30, 2026 Lapses if unpaid Jun 1, 2027 Term ends Jul 29, 2039 · High confidence	PACCAR Inc	In force	Nov 30, 2026	Jun 1, 2027	Term ends Jul 29, 2039	High confidence
US 9,046,006	Dual Cycle Rankine Waste Heat Recovery Cycle Paccar Inc. In force Fee due Dec 2, 2026 Lapses if unpaid Jun 2, 2027 Term ends Mar 28, 2031 · High confidence	Paccar Inc.	In force	Dec 2, 2026	Jun 2, 2027	Term ends Mar 28, 2031	High confidence
US 9,060,381	In-Vehicle Communication Device with Social Networking Paccar Inc. In force Fee due Dec 16, 2026 Lapses if unpaid Jun 16, 2027 Term ends May 17, 2033 · High confidence	Paccar Inc.	In force	Dec 16, 2026	Jun 16, 2027	Term ends May 17, 2033	High confidence
US 11,679,821	Pivoting Cab Fairing Paccar Inc. In force Fee due Dec 20, 2026 Lapses if unpaid Jun 21, 2027 Term ends Aug 11, 2041 · High confidence	Paccar Inc.	In force	Dec 20, 2026	Jun 21, 2027	Term ends Aug 11, 2041	High confidence
US 10,328,923	System and Method of Vehicle Transient Torque Management Cummins Intellectual Properties, Inc., Paccar, Inc. and Eaton Corporation In force Fee due Dec 25, 2026 Lapses if unpaid Jun 25, 2027 Term ends Apr 28, 2034 · High confidence	Cummins Intellectual Properties, Inc., Paccar, Inc. and Eaton Corporation	In force	Dec 25, 2026	Jun 25, 2027	Term ends Apr 28, 2034	High confidence
US 9,068,668	Mechanically Latching Solenoid Valve Paccar Inc. In force Fee due Dec 30, 2026 Lapses if unpaid Jun 30, 2027 Term ends Aug 9, 2033 · High confidence	Paccar Inc.	In force	Dec 30, 2026	Jun 30, 2027	Term ends Aug 9, 2033	High confidence
US 9,085,330	Fairing Mounting Assembly Paccar Inc. In force Fee due Jan 21, 2027 Lapses if unpaid Jul 21, 2027 Term ends Nov 1, 2033 · High confidence	Paccar Inc.	In force	Jan 21, 2027	Jul 21, 2027	Term ends Nov 1, 2033	High confidence
59 more maintenance fees coming due in the 12 months from Nov 14, 2026 · Pro

10 of 69 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.