The Patent Finder

Laporte Holding

13 patents currently held · Updated Nov 14, 2026
Held is read from USPTO's recorded assignments; a transfer never recorded there does not appear.
1
Ending by 2030
Nov 2027
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 Dec 16, 2026
    The maintenance fee for Target launching device (US 9,057,589) comes due Dec 16, 2026. Unpaid by Jun 16, 2027, it lapses early.
  • 2 fees due Feb 22 to 28, 2027 · next Feb 22
  • 1 fee due Apr 20, 2027
    The maintenance fee for Gravity-loaded target launching machine for archery (US 9,163,913) comes due Apr 20, 2027. Unpaid by Oct 20, 2027, it lapses early.
  • 1 fee due Jun 30, 2027
    The maintenance fee for Barrel for target launching machine with retractable rod for the positioning of at least one column of targets (US 10,520,284) comes due Jun 30, 2027. Unpaid by Jan 3, 2028, it lapses early.

Which patents, and when each one lapses · Pro

Recent changes

Nothing was recorded against this company's patents in the last 90 days.

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 D694,340Target
In force
 · From the USPTO record
In forceFrom the USPTO record
US 9,057,589Target launching device
In force
 · From the USPTO record
In forceFrom the USPTO record
US 9,163,913Gravity-loaded target launching machine for archery
In force
 · From the USPTO record
In forceFrom the USPTO record
US 9,605,931Device for throwing targets for shooting sports, with instant projection of the target
In force
 · From the USPTO record
In forceFrom the USPTO record
US 10,520,284Barrel for target launching machine with retractable rod for the positioning of at least one column of targets
In force
 · From the USPTO record
In forceFrom the USPTO record
US 11,733,007Target launching machine
In force
 · From the USPTO record
In forceFrom the USPTO record
US 11,740,059Target launching machine for skeet shooting
In force
 · From the USPTO record
In forceFrom the USPTO record
US D1,103,235Base gravity launch machine
In force
 · From the USPTO record
In forceFrom the USPTO record
US 12,474,144Throwing arm
In force
 · From the USPTO record
In forceFrom the USPTO record
US 12,480,749Target throwing machine
In force
 · From the USPTO record
In forceFrom the USPTO record
10 of 13 patents shown.
Pro members see all 13.
Pro members: see all 13 patents
Also on record, not counted in the 13: 6 lapsed for an unpaid fee · 3 ended at full term. 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.

6 no status recorded

List them

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