US2012592A - Ladder - Google Patents

Ladder Download PDF

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Publication number
US2012592A
US2012592A US117A US11735A US2012592A US 2012592 A US2012592 A US 2012592A US 117 A US117 A US 117A US 11735 A US11735 A US 11735A US 2012592 A US2012592 A US 2012592A
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US
United States
Prior art keywords
ladder
skiba
aug
filed jan
ladder filed
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Expired - Lifetime
Application number
US117A
Inventor
John A Skiba
Original Assignee
John A Skiba
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by John A Skiba filed Critical John A Skiba
Priority to US117A priority Critical patent/US2012592A/en
Application granted granted Critical
Publication of US2012592A publication Critical patent/US2012592A/en
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

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    • EFIXED CONSTRUCTIONS
    • E06DOORS, WINDOWS, SHUTTERS, OR ROLLER BLINDS IN GENERAL; LADDERS
    • E06CLADDERS
    • E06C1/00Ladders in general
    • E06C1/02Ladders in general with rigid longitudinal member or members
    • E06C1/32Ladders with a strut which is formed as a ladder and can be secured in line with the ladder
    • EFIXED CONSTRUCTIONS
    • E06DOORS, WINDOWS, SHUTTERS, OR ROLLER BLINDS IN GENERAL; LADDERS
    • E06CLADDERS
    • E06C1/00Ladders in general
    • E06C1/02Ladders in general with rigid longitudinal member or members
    • E06C1/38Special constructions of ladders, e.g. ladders with more or less than two longitudinal members, ladders with movable rungs or other treads, longitudinally-foldable ladders
    • E06C1/39Ladders having platforms; Ladders changeable into platforms

Description

- A' SKIBA Aug 27, 1935.
LADDER Filed Jan. 2 1935
US117A 1935-01-02 1935-01-02 Ladder Expired - Lifetime US2012592A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
US117A US2012592A (en) 1935-01-02 1935-01-02 Ladder

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US117A US2012592A (en) 1935-01-02 1935-01-02 Ladder

Publications (1)

Publication Number Publication Date
US2012592A true US2012592A (en) 1935-08-27

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ID=21689990

Family Applications (1)

Application Number Title Priority Date Filing Date
US117A Expired - Lifetime US2012592A (en) 1935-01-02 1935-01-02 Ladder

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US (1) US2012592A (en)

Cited By (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3014552A (en) * 1959-08-04 1961-12-26 James F Fike Ladder construction
US3073414A (en) * 1960-06-15 1963-01-15 Lavrard Georges Louis Collapsible ladder
US3143185A (en) * 1961-05-03 1964-08-04 Wenger Gerhard Multi-purpose folding ladder
US4630819A (en) * 1984-09-10 1986-12-23 Eliezar Levin Collapsible playground device
US4699246A (en) * 1985-10-29 1987-10-13 Wang Yaw C Multipurpose ladder
US4719990A (en) * 1986-08-27 1988-01-19 Branko Markovic Step ladder for stairs
US5626205A (en) * 1994-11-18 1997-05-06 Martin; Richard C. Portable work platform
US20170130529A1 (en) * 2015-11-09 2017-05-11 Louisville Ladder Inc. Stepladder adapted for use as a single ladder or an extension ladder

Cited By (11)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3014552A (en) * 1959-08-04 1961-12-26 James F Fike Ladder construction
US3073414A (en) * 1960-06-15 1963-01-15 Lavrard Georges Louis Collapsible ladder
US3143185A (en) * 1961-05-03 1964-08-04 Wenger Gerhard Multi-purpose folding ladder
US4630819A (en) * 1984-09-10 1986-12-23 Eliezar Levin Collapsible playground device
US4699246A (en) * 1985-10-29 1987-10-13 Wang Yaw C Multipurpose ladder
US4719990A (en) * 1986-08-27 1988-01-19 Branko Markovic Step ladder for stairs
US5626205A (en) * 1994-11-18 1997-05-06 Martin; Richard C. Portable work platform
US20170130529A1 (en) * 2015-11-09 2017-05-11 Louisville Ladder Inc. Stepladder adapted for use as a single ladder or an extension ladder
US20190106939A1 (en) * 2015-11-09 2019-04-11 Louisville Ladder Inc. Stepladder adapted for use as a single ladder or an extension ladder
US10550638B2 (en) * 2015-11-09 2020-02-04 Louisville Ladder Inc. Stepladder adapted for use as a single ladder or an extension ladder
US10550639B2 (en) * 2015-11-09 2020-02-04 Louisville Ladder Inc. Stepladder adapted for use as a single ladder or an extension ladder

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