The Patent Finder

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78 patents currently held · Updated Nov 14, 2026
Held is read from USPTO's recorded assignments; a transfer never recorded there does not appear.
9
Ending by 2030
Jan 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 Nov 26, 2026
    The maintenance fee for Hand-held sharpener with multiple abrasive rods to sharpen a cutting edge of a tool (US 9,039,494) comes due Nov 26, 2026. Unpaid by May 26, 2027, it lapses early.
  • 2 fees due Dec 9 to 20, 2026 · next Dec 9
  • 1 fee due Mar 24, 2027
    The maintenance fee for Rotatable Edge Guide to Support a Cutting Tool During a Sharpening Operation (US 10,421,171) comes due Mar 24, 2027. Unpaid by Sep 24, 2027, it lapses early.
  • 1 fee due Jun 22, 2027
    The maintenance fee for Manual tool sharpener with moveable abrasive surface (US 9,216,487) comes due Jun 22, 2027. Unpaid by Dec 22, 2027, it lapses early.
  • 1 fee due Jul 30, 2027
    The maintenance fee for Precision Adjust Sharpener (US 11,883,930) comes due Jul 30, 2027. Unpaid by Jan 31, 2028, it lapses early.
  • 2 fees due Oct 5 to 30, 2027 · next Oct 5
  • 2 fees due Nov 7 to 10, 2027 · next Nov 7

Which patents, and when each one lapses · Pro

Recent changes

  • 1 of the patents on this record was granted since Aug 16, 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 7,641,202End effector with moveable jaw assembly to manipulate an article
In force
 · From the USPTO record
In forceFrom the USPTO record
US 9,849,556Cutting tool sharpener
In force
 · From the USPTO record
In forceFrom the USPTO record
US 9,956,662Cutting tool sharpener
In force
 · From the USPTO record
In forceFrom the USPTO record
US 10,124,458Cutting tool sharpener
In force
 · From the USPTO record
In forceFrom the USPTO record
US D723,895Attachment for a powered sharpener
In force
 · From the USPTO record
In forceFrom the USPTO record
US 8,696,407Cutting tool sharpener
In force
 · From the USPTO record
In forceFrom the USPTO record
US D730,137Powered sharpener base unit
In force
 · From the USPTO record
In forceFrom the USPTO record
US 8,998,680Sharpener for Cutting Tools
In force
 · Medium confidence
In forceMedium confidence
US 9,358,654Sharpening a cutting tool using multiple abrasive belts
In force
 · From the USPTO record
In forceFrom the USPTO record
US 8,784,162Sharpener for cutting tools
In force
 · From the USPTO record
In forceFrom the USPTO record
10 of 78 patents shown.
Pro members see all 78.
Pro members: see all 78 patents
Also on record, not counted in the 78: 4 lapsed for an unpaid fee · 14 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.

5 pending · 3 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