Center punch guide for piping
Description
FIG. 1 is a front perspective view of a center punch guide for piping showing my new design;
FIG. 2 is a front elevational view;
FIG. 3 is a rear elevational view;
FIG. 4 is a top plan view;
FIG. 5 is a bottom view; and
FIG. 6 is a right side elevational view, the left side being a mirror image thereof.
Referenced Cited
U.S. Patent Documents
D141088 | May 1945 | Boyce |
D192302 | February 1962 | Fulton |
657443 | September 1900 | Newton |
2667703 | February 1954 | Zumkeller |
3661469 | May 1972 | Leff |
Patent History
Patent number: D313189
Type: Grant
Filed: Jan 11, 1988
Date of Patent: Dec 25, 1990
Inventor: Timothy Walsh (Schiller Park, IL)
Primary Examiner: Nelson C. Holtje
Assistant Examiner: Gary D. Watson
Law Firm: McCaleb, Lucas & Brugman
Application Number: 7/142,845
Type: Grant
Filed: Jan 11, 1988
Date of Patent: Dec 25, 1990
Inventor: Timothy Walsh (Schiller Park, IL)
Primary Examiner: Nelson C. Holtje
Assistant Examiner: Gary D. Watson
Law Firm: McCaleb, Lucas & Brugman
Application Number: 7/142,845
Classifications
Current U.S. Class:
Combined (D10/62)