The Patent Finder

Cornellcookson, LLC

59 patents currently held · Updated Nov 14, 2026
Held is read from USPTO's recorded assignments; a transfer never recorded there does not appear.
0
Ending by 2030
Jun 2031
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 Mar 15, 2027
    The maintenance fee for Fire and Smoke Rated Fabric Door (US 9,133,663) comes due Mar 15, 2027. Unpaid by Sep 15, 2027, it lapses early.
  • 1 fee due Apr 1, 2027
    The maintenance fee for Multi-Panel Stacking Overhead Door (US 10,428,567) comes due Apr 1, 2027. Unpaid by Oct 1, 2027, it lapses early.
  • 1 fee due May 3, 2027
    The maintenance fee for Fire Door Method of Operation (US 9,175,513) comes due May 3, 2027. Unpaid by Nov 3, 2027, it lapses early.
  • 3 fees due Jun 10 to 26, 2027 · next Jun 10
  • 5 fees due Jul 5 to 26, 2027 · next Jul 5
  • 1 fee due Aug 13, 2027
    The maintenance fee for Roll-Up Doors and Method for Securing Same (US 11,898,402) comes due Aug 13, 2027. Unpaid by Feb 14, 2028, it lapses early.
  • 5 fees due Sep 5 to 26, 2027 · next Sep 5
  • 2 fees due Oct 2 to 9, 2027 · next Oct 2

Which patents, and when each one lapses · Pro

Recent changes

  • 3 of the patents on this record were 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 9,175,513Fire Door Method of Operation
In force
 · High confidence
In forceHigh confidence
US 9,133,663Fire and Smoke Rated Fabric Door
In force
 · High confidence
In forceHigh confidence
US 9,605,468Door Control Systems
In force
 · High confidence
In forceHigh confidence
US 8,985,180Partition Sweep Assembly
In force
 · High confidence
In forceHigh confidence
US D810,319Screen
In force
 · High confidence
In forceHigh confidence
US 8,869,450Overhead Door with Stacking Panels
In force
 · High confidence
In forceHigh confidence
US 9,228,385Apparatus and Method for Extending Door Brake Lifespan
In force
 · High confidence
In forceHigh confidence
US 11,002,073Apparatus and method for extending door brake lifespan
In force
 · From the USPTO record
In forceFrom the USPTO record
US 9,644,419Sectional Door Protector
In force
 · High confidence
In forceHigh confidence
US 10,174,552Apparatus and Method for Extending Door Brake Lifespan
In force
 · Medium confidence
In forceMedium confidence
10 of 59 patents shown.
Pro members see all 59.
Pro members: see all 59 patents
Also on record, not counted in the 59: 7 lapsed for an unpaid fee · 4 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.

4 pending · 1 abandoned · 2 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