Maintenance fees coming due

Inventio AG

124 maintenance fees come due in the 12 months from Nov 14, 2026, the next on Nov 19, 2026. Unpaid by May 19, 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 9,033,110	Double-Decker Elevator Installation Inventio AG In force Fee due Nov 19, 2026 Lapses if unpaid May 19, 2027 Term ends May 30, 2033 · High confidence	Inventio AG	In force	Nov 19, 2026	May 19, 2027	Term ends May 30, 2033	High confidence
US 11,655,123	Installation Device and Method Bringing an Installation Device into an Installation Position in an Elevator Shaft Inventio AG In force Fee due Nov 23, 2026 Lapses if unpaid May 24, 2027 Term ends Mar 5, 2040 · High confidence	Inventio AG	In force	Nov 23, 2026	May 24, 2027	Term ends Mar 5, 2040	High confidence
US 10,306,411	Evacuation of Buildings with Elevator Systems Inventio AG In force Fee due Nov 28, 2026 Lapses if unpaid May 28, 2027 Term ends Jul 26, 2036 · High confidence	Inventio AG	In force	Nov 28, 2026	May 28, 2027	Term ends Jul 26, 2036	High confidence
US 11,661,314	Cable Brake, Elevator Car and Elevator System Inventio AG In force Fee due Nov 30, 2026 Lapses if unpaid Jun 1, 2027 Term ends Jul 31, 2038 · High confidence	Inventio AG	In force	Nov 30, 2026	Jun 1, 2027	Term ends Jul 31, 2038	High confidence
US 11,661,317	Side Monitoring Device for a Passenger Transport System Inventio AG In force Fee due Nov 30, 2026 Lapses if unpaid Jun 1, 2027 Term ends Apr 2, 2040 · High confidence	Inventio AG	In force	Nov 30, 2026	Jun 1, 2027	Term ends Apr 2, 2040	High confidence
US 9,045,314	Method for Enabling the Use of an Elevator System by Disabled Persons Using Position Changes, and an Elevator System Inventio AG In force Fee due Dec 2, 2026 Lapses if unpaid Jun 2, 2027 Term ends Sep 5, 2032 · High confidence	Inventio AG	In force	Dec 2, 2026	Jun 2, 2027	Term ends Sep 5, 2032	High confidence
US 9,050,768	Method and Device for Producing a Support Belt for an Elevator Installation Inventio AG In force Fee due Dec 9, 2026 Lapses if unpaid Jun 9, 2027 Term ends Jul 1, 2030 · High confidence	Inventio AG	In force	Dec 9, 2026	Jun 9, 2027	Term ends Jul 1, 2030	High confidence
US 9,051,158	Elevator Car and Construction Method Inventio AG In force Fee due Dec 9, 2026 Lapses if unpaid Jun 9, 2027 Term ends Nov 1, 2033 · High confidence	Inventio AG	In force	Dec 9, 2026	Jun 9, 2027	Term ends Nov 1, 2033	High confidence
US 11,673,772	Aligning Device and Method for Aligning a Guide Rail of an Elevator System Inventio AG In force Fee due Dec 13, 2026 Lapses if unpaid Jun 14, 2027 Term ends Apr 28, 2040 · High confidence	Inventio AG	In force	Dec 13, 2026	Jun 14, 2027	Term ends Apr 28, 2040	High confidence
US 9,056,747	Load Measuring Device for an Elevator Installation Inventio AG In force Fee due Dec 16, 2026 Lapses if unpaid Jun 16, 2027 Term ends May 5, 2032 · High confidence	Inventio AG	In force	Dec 16, 2026	Jun 16, 2027	Term ends May 5, 2032	High confidence
114 more maintenance fees coming due in the 12 months from Nov 14, 2026 · Pro

10 of 124 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.