Ceiling tile trimming tool
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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
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