The Patent Finder

Stone Aerospace, Inc.

26 patents currently held · Updated Nov 15, 2026
Held is read from USPTO's recorded assignments; a transfer never recorded there does not appear.
1
Ending by 2030
Jun 2030
Next term end

When these terms end

Held patents by the year their term ends
20262027202820292030203120322033203420352036203720382039204020412042204320442045

Fee deadlines

Maintenance fees fall due 3.5, 7.5 and 11.5 years after grant. A missed fee ends a patent at the end of the six month grace period that follows, not on the due date.
  • 1 fee due Jun 30, 2027
    The maintenance fee for Laser-powered ice-penetrating communications delivery vehicle for sub-ice submarine missions (US 10,518,854) comes due Jun 30, 2027. Unpaid by Jan 3, 2028, it lapses early.
  • 1 fee due Aug 25, 2027
    The maintenance fee for Method of retrieval for autonomous underwater vehicles (US 10,569,849) comes due Aug 25, 2027. Unpaid by Feb 25, 2028, it lapses early.
  • 1 fee due Sep 3, 2027
    The maintenance fee for Fiber optic rotary joint for use in an optical energy transfer and conversion system (US 10,578,808) comes due Sep 3, 2027. Unpaid by Mar 3, 2028, it lapses early.

Which patents, and when each one lapses · Pro

Recent changes

  • 1 of the patents on this record was granted since Aug 17, 2026

Patents held now

Soonest term end first. Each date below is computed on that patent's own page, which shows the rule, the adjustments and the fee history it was derived from.
PatentTitleStatus Expires Confidence
US RE46,054Underwater vehicle with sonar array
In force
 · From the USPTO record
In forceFrom the USPTO record
US 9,383,520Optical power transfer system for powering a remote mobility system for multiple missions
In force
 · From the USPTO record
In forceFrom the USPTO record
US 9,869,819Optical energy transfer and conversion system
In force
 · From the USPTO record
In forceFrom the USPTO record
US 10,578,808Fiber optic rotary joint for use in an optical energy transfer and conversion system
In force
 · From the USPTO record
In forceFrom the USPTO record
US 10,705,296Optical energy transfer and conversion system for remotely operated vehicle having drum configured fiber spooler mounted thereon
In force
 · From the USPTO record
In forceFrom the USPTO record
US 10,705,297Method of launching a spacecraft into low earth orbit using a non-line-of-sight optical power transfer system
In force
 · From the USPTO record
In forceFrom the USPTO record
US 10,739,522Optical energy transfer and conversion system for remotely operated vehicle having axially configured fiber spooler mounted thereon
In force
 · From the USPTO record
In forceFrom the USPTO record
US 10,739,523Optical energy transfer and conversion system for unmanned aerial vehicle having axially configured fiber spooler mounted thereon
In force
 · From the USPTO record
In forceFrom the USPTO record
US 10,739,524Optical energy transfer and conversion system for planetary rover having axially configured fiber spooler mounted thereon
In force
 · From the USPTO record
In forceFrom the USPTO record
US 10,739,525Optical energy transfer and conversion system for autonomous underwater vehicle having drum configured fiber spooler mounted thereon
In force
 · From the USPTO record
In forceFrom the USPTO record
10 of 26 patents shown.
Pro members see all 26.
Pro members: see all 26 patents
Also on record, not counted in the 26: 1 surrendered on reissue. List them

Sources and methods

Compiled from the USPTO record, grants, published applications and recorded assignments, not yet reviewed by hand. How this record was built
Computed patent terms end on the dates shown. Related patents and pending applications may cover overlapping subject matter.

Published applications

US patent applications published under this name that have not become patents. An application is published about eighteen months after its earliest filing; one that has not been published is in no public record.

1 no status recorded

List them

The Patent Finder CompaniesExpirationsCalculatorWatchlistPricing MethodologyCorrectionsLegalPrivacysupport@thepatentfinder.com Updated Nov 15, 2026 · includes USPTO assignment & status data published Nov 15, 2026 and grant & fee data published Nov 10, 2026 (weekly) Part of 137 Finder · © 2026 137 Finder LLC · Sources cited