Search Images Maps Play YouTube News Gmail Drive More »
Sign in
Screen reader users: click this link for accessible mode. Accessible mode has the same essential features but works better with your reader.

Patents

  1. Advanced Patent Search
Publication numberUS2012592 A
Publication typeGrant
Publication dateAug 27, 1935
Filing dateJan 2, 1935
Priority dateJan 2, 1935
Publication numberUS 2012592 A, US 2012592A, US-A-2012592, US2012592 A, US2012592A
InventorsSkiba John A
Original AssigneeSkiba John A
Export CitationBiBTeX, EndNote, RefMan
External Links: USPTO, USPTO Assignment, Espacenet
Ladder
US 2012592 A
Abstract  available in
Images(1)
Previous page
Next page
Claims  available in
Description  (OCR text may contain errors)

- A' SKIBA Aug 27, 1935.

LADDER Filed Jan. 2 1935

Referenced by
Citing PatentFiling datePublication dateApplicantTitle
US3014552 *Aug 4, 1959Dec 26, 1961Fike James FLadder construction
US3073414 *May 24, 1961Jan 15, 1963Louis Lavrard GeorgesCollapsible ladder
US3143185 *Apr 30, 1962Aug 4, 1964Gerhard WengerMulti-purpose folding ladder
US4630819 *Sep 10, 1984Dec 23, 1986Eliezar LevinCollapsible playground device
US4699246 *Oct 2, 1986Oct 13, 1987Wang Yaw CMultipurpose ladder
US4719990 *Aug 27, 1986Jan 19, 1988Branko MarkovicStep ladder for stairs
US5626205 *Nov 18, 1994May 6, 1997Martin; Richard C.Portable work platform
Classifications
U.S. Classification182/27, 182/155, 182/118, 182/163
International ClassificationE06C1/32, E06C1/39, E06C1/00
Cooperative ClassificationE06C1/39, E06C1/32
European ClassificationE06C1/39, E06C1/32