Pitch and angle square
Description
FIG. 1 is a top, front perspective view of a pitch and angle square showing my new design, the straight edge portion shown broken away to indicate indeterminate length, it being understood that the graduation markings continue the length of the edges;
FIG. 2 is a left end elevational view thereof;
FIG. 3 is a partial bottom plan view of the head end thereof, the remainder having been omitted for ease of illustration.
Referenced Cited
U.S. Patent Documents
311911 | February 1885 | Muller |
318984 | June 1885 | Hedges |
1023242 | April 1912 | Childs |
1381808 | June 1921 | Davis |
1807438 | May 1931 | Ross |
2545112 | March 1951 | Sheridan |
2582649 | January 1952 | Olson |
Patent History
Patent number: D265725
Type: Grant
Filed: Jun 9, 1980
Date of Patent: Aug 10, 1982
Inventor: Jerry L. Ingram (Citrus Heights, CA)
Primary Examiner: Nelson C. Holtje
Law Firm: Blair, Brown & Kreten
Application Number: 6/157,967
Type: Grant
Filed: Jun 9, 1980
Date of Patent: Aug 10, 1982
Inventor: Jerry L. Ingram (Citrus Heights, CA)
Primary Examiner: Nelson C. Holtje
Law Firm: Blair, Brown & Kreten
Application Number: 6/157,967
Classifications