The Patent Finder

Maintenance fees coming due

Beta Air LLC

159 maintenance fees come due in the 12 months from Nov 14, 2026, the next on Nov 16, 2026. Unpaid by May 17, 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.
PatentTitleHolderStatusFee dueLapses if unpaidExpiresConfidence
US 11,648,848System and Method for Managing Residual Energy for an Electric Aircraft
In force
Fee due Nov 16, 2026
Lapses if unpaid May 17, 2027
 · High confidence
Beta Air, LLCIn forceNov 16, 2026May 17, 2027High confidence
US 11,652,254System and Method for High Energy Density Battery Module
In force
Fee due Nov 16, 2026
Lapses if unpaid May 17, 2027
 · High confidence
Beta Air, LLCIn forceNov 16, 2026May 17, 2027High confidence
US 11,652,255System and Method for High Energy Density Battery Module
In force
Fee due Nov 16, 2026
Lapses if unpaid May 17, 2027
 · High confidence
Beta Air, LLCIn forceNov 16, 2026May 17, 2027High confidence
US 11,654,787Electric Charging Station for an Electric Vehicle and a Method for Its Use
In force
Fee due Nov 23, 2026
Lapses if unpaid May 24, 2027
 · High confidence
Beta Air, LLCIn forceNov 23, 2026May 24, 2027High confidence
US 11,667,376System and Method for Flight Control Compensation for Component Degradation
In force
Fee due Dec 6, 2026
Lapses if unpaid Jun 7, 2027
 · High confidence
Beta Air, LLCIn forceDec 6, 2026Jun 7, 2027High confidence
US 11,667,377A Vertical Take-Off and Landing (VTOL) Aircraft
In force
Fee due Dec 6, 2026
Lapses if unpaid Jun 7, 2027
 · High confidence
Beta Air LLCIn forceDec 6, 2026Jun 7, 2027High confidence
US 11,670,115Systems and Methods for Fleet Management
In force
Fee due Dec 6, 2026
Lapses if unpaid Jun 7, 2027
 · High confidence
Beta Air, LLCIn forceDec 6, 2026Jun 7, 2027High confidence
US 11,673,484Systems and Methods for a Battery Management System Integrated in a Battery Pack Configured for Use in Electric Aircraft
In force
Fee due Dec 13, 2026
Lapses if unpaid Jun 14, 2027
 · High confidence
Beta Air, LLCIn forceDec 13, 2026Jun 14, 2027High confidence
US 11,673,660Systems and Devices for Parking a Propulsor Teeter
In force
Fee due Dec 13, 2026
Lapses if unpaid Jun 14, 2027
 · High confidence
Beta Air, LLCIn forceDec 13, 2026Jun 14, 2027High confidence
US 11,679,867System and Method for Flight Control in Electric Aircraft
In force
Fee due Dec 20, 2026
Lapses if unpaid Jun 21, 2027
 · High confidence
Beta Air, LLCIn forceDec 20, 2026Jun 21, 2027High confidence
149 more maintenance fees coming due in the 12 months from Nov 14, 2026 · Pro
10 of 159 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.
The Patent Finder CompaniesExpirationsCalculatorWatchlistPricing MethodologyCorrectionsLegalPrivacysupport@thepatentfinder.com Updated Nov 14, 2026 · includes USPTO assignment & status data published Nov 14, 2026 and grant & fee data published Nov 10, 2026 (weekly) Part of 137 Finder · © 2026 137 Finder LLC · Sources cited