Richard J Holcombe

US Patent:

39508609, Apr 20, 1976

Filed:

Mar 21, 1975

Appl. No.:

5/560722

Inventors:

Richard L. Holcombe - Dushore PA

International Classification:

G01C 928

US Classification:

33371

Abstract:

A building block laying level indicating device adapted for use with a building block of general rectangular configuration wherein the block has a top and a bottom, front and rear walls and end faces. The front and rear walls of the block are connected by webs spaced from each other to provide a plurality of holes extending from the top through the bottom. The device has a planar base with three support members mounted thereon which are adapted to rest on the top of the block. A level indicating means is mounted on the base for visually indicating the level condition of the block. A positioning member is affixed to the planar base and extends downwardly therefrom so as to maintain the level in operating position when placed on the building block.