TREA

folding like scissors or accordions

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Industry

  • CPC
  • E04F11/066
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Parent Industries

EFIXED CONSTRUCTIONS E04Building E04FFINISHING WORK ON BUILDINGS E04F11/00Stairways, ramps, or like structures Balustrades Handrails

Current Industry

E04F11/066folding like scissors or accordions
Industries

Patents Grantslast 30 patents

  • Information Patent Grant

    Attic stair apparatus
    • Patent number 12,227,950
    • Issue date Feb 18, 2025
    • Edwin W. Ingalls
    • E04 - BUILDING
  • Information Patent Grant

    Method and apparatus for installing a staircase assembly into a bui...
    • Patent number 10,745,919
    • Issue date Aug 18, 2020
    • BIG TIME INVESTMENT, LLC
    • Stephen T. Houston
    • E04 - BUILDING
  • Information Patent Grant

    Adjustable staircase
    • Patent number 9,091,083
    • Issue date Jul 28, 2015
    • Ottawa Hospital Research Institute
    • Louis Goudreau
    • E04 - BUILDING
  • Information Patent Grant

    1128212
    • Patent number 1,128,212
    • Issue date Feb 9, 1915
    • B60 - VEHICLES IN GENERAL
  • Information Patent Grant

    943672
    • Patent number 943,672
    • Issue date Dec 21, 1909
    • E04 - BUILDING
  • Information Patent Grant

    936681
    • Patent number 936,681
    • Issue date Oct 12, 1909
    • E04 - BUILDING

Patents Applicationslast 30 patents

  • Information Patent Application

    ATTIC STAIR APPARATUS
    • Publication number 20250084643
    • Publication date Mar 13, 2025
    • Edwin W. Ingalls
    • E04 - BUILDING
  • Information Patent Application

    FOLDING PET STAIRCASE
    • Publication number 20240191510
    • Publication date Jun 13, 2024
    • EZRA INNOVATION LIMITED
    • Eric Kong
    • E04 - BUILDING
  • Information Patent Application

    BOX STRUCTURE BUILDING PARTITION
    • Publication number 20240068295
    • Publication date Feb 29, 2024
    • FAKRO PP SP. Z O.O.
    • Bernard Kaczmarski
    • E04 - BUILDING
  • Information Patent Application

    FOLDING PET STAIRCASE
    • Publication number 20230126602
    • Publication date Apr 27, 2023
    • EZRA INNOVATION LIMITED
    • Eric Kong
    • E04 - BUILDING
  • Information Patent Application

    LINKAGE ASSEMBLY FOR RETRACTABLE LADDER ARRANGEMENT
    • Publication number 20180194291
    • Publication date Jul 12, 2018
    • THE SMART 2011 TRUST
    • George Grammatikos
    • B60 - VEHICLES IN GENERAL