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