Maintenance fees coming due

Esco Group LLC

22 maintenance fees come due in the 12 months from Nov 15, 2026, the next on Nov 30, 2026. Unpaid by Jun 1, 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 11,661,727	Wear Member and Wear Assembly Esco Group LLC In force Fee due Nov 30, 2026 Lapses if unpaid Jun 1, 2027 Term ends May 19, 2041 · High confidence	Esco Group LLC	In force	Nov 30, 2026	Jun 1, 2027	Term ends May 19, 2041	High confidence
US 10,364,553	Wear Assembly for Earth Working Equipment Esco Group LLC In force Fee due Jan 30, 2027 Lapses if unpaid Jul 30, 2027 Term ends Mar 5, 2037 · High confidence	Esco Group LLC	In force	Jan 30, 2027	Jul 30, 2027	Term ends Mar 5, 2037	High confidence
US 10,364,554	Wear Assembly Esco Group LLC In force Fee due Jan 30, 2027 Lapses if unpaid Jul 30, 2027 Term ends Dec 14, 2033 · Medium confidence	Esco Group LLC	In force	Jan 30, 2027	Jul 30, 2027	Term ends Dec 14, 2033	Medium confidence
US 11,725,365	Handling System for Ground-Engaging Wear Parts Secured to Earth Working Equipment Esco Group LLC In force Fee due Feb 15, 2027 Lapses if unpaid Aug 16, 2027 Term ends Jun 13, 2037 · High confidence	Esco Group LLC	In force	Feb 15, 2027	Aug 16, 2027	Term ends Jun 13, 2037	High confidence
US 11,739,504	Wear Assembly Removal and Installation Esco Group LLC In force Fee due Feb 28, 2027 Lapses if unpaid Aug 30, 2027 Term ends Oct 21, 2034 · High confidence	Esco Group LLC	In force	Feb 28, 2027	Aug 30, 2027	Term ends Oct 21, 2034	High confidence
US 11,773,570	Monitoring Ground Engaging Products for Earth Working Equipment Esco Group LLC In force Fee due Apr 3, 2027 Lapses if unpaid Oct 4, 2027 Term ends Feb 6, 2041 · High confidence	Esco Group LLC	In force	Apr 3, 2027	Oct 4, 2027	Term ends Feb 6, 2041	High confidence
US 11,788,894	Monitoring Ground Engaging Products Esco Group LLC In force Fee due Apr 17, 2027 Lapses if unpaid Oct 18, 2027 Term ends Jul 31, 2041 · High confidence	Esco Group LLC	In force	Apr 17, 2027	Oct 18, 2027	Term ends Jul 31, 2041	High confidence
US 10,458,234	Mineral Winning Pick, Holder, and Combination Esco Group LLC In force Fee due Apr 29, 2027 Lapses if unpaid Oct 29, 2027 Term ends Jan 28, 2036 · High confidence	Esco Group LLC	In force	Apr 29, 2027	Oct 29, 2027	Term ends Jan 28, 2036	High confidence
US 10,472,896	Downhole Tool and Method of Manufacturing a Tool Esco Group LLC In force Fee due May 12, 2027 Lapses if unpaid Nov 12, 2027 Term ends Mar 6, 2038 · High confidence	Esco Group LLC	In force	May 12, 2027	Nov 12, 2027	Term ends Mar 6, 2038	High confidence
US 11,851,848	Monitoring Ground-Engaging Products for Earth Working Equipment Esco Group LLC In force Fee due Jun 26, 2027 Lapses if unpaid Dec 27, 2027 Term ends Aug 16, 2036 · High confidence	Esco Group LLC	In force	Jun 26, 2027	Dec 27, 2027	Term ends Aug 16, 2036	High confidence
12 more maintenance fees coming due in the 12 months from Nov 15, 2026 · Pro

10 of 22 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.