Ceiling tile trimming tool

Description

FIG. 1 is a top plan view of a ceiling tile trimming tool showing our new design;

FIG. 2 is a bottom plan view of FIG. 1 rotated 180.degree. end for end;

FIG. 3 is a front view of FIG. 1 viewed from the bottom of FIG. 1;

FIG. 4 is a back view of FIG. 1 viewed from the top of FIG. 1;

FIG. 5 is a left side view of FIG. 1;

FIG. 6 is a right side view of FIG. 1; and

FIG. 7 is a perspective view of the ceiling tile trimming tool.

Referenced Cited
U.S. Patent Documents
D172910 August 1954 Venell
1575127 March 1926 Podhradsky
1732564 October 1929 Mayer
2013893 September 1935 Matthews
3079688 March 1963 Ryan
Patent History
Patent number: D322924
Type: Grant
Filed: Nov 18, 1988
Date of Patent: Jan 7, 1992
Assignee: Armstrong World Industries, Inc. (Lancaster, PA)
Inventors: Melvin H. Shaub (Lancaster, PA), J. Robert Herr (Millersville, PA)
Primary Examiner: Bruce W. Dunkins
Assistant Examiner: Monica A. Hannon
Application Number: 7/273,317
Classifications
Current U.S. Class: D 8/98; D 8/16; D 8/19; D 8/45