Guide for cutting and sawing pipe insulation

Description

FIG. 1 is a top-front perspective view of a guide for cutting and sawing pipe insulation showing my new design;

FIG. 2 is a bottom plan view of FIG. 1 on a reduced scale;

FIG. 3 is a rear elevational view of FIG. 1 on a reduced scale.

Referenced Cited
U.S. Patent Documents
D89818 May 1933 Tautz
D220364 March 1971 Pough
D235845 July 1975 Golisano
D235967 July 1975 Hildebrandt
665316 January 1901 Fay
708533 September 1902 Cullmann
1243343 October 1917 Roberts
2001654 May 1935 Burrows
2390622 December 1945 Stanton
2823709 February 1958 Konieczka
Foreign Patent Documents
99505 October 1898 DE2
15725 1907 GBX
108228 August 1917 GBX
Patent History
Patent number: D275646
Type: Grant
Filed: Apr 30, 1982
Date of Patent: Sep 25, 1984
Inventor: Clyde J. Powell (Huntsville, AL)
Primary Examiner: Nelson C. Holtje
Attorney: C. A. Phillips
Application Number: 6/373,394
Classifications
Current U.S. Class: D 8/71