Ruler
Description
FIG. 1 is a top plan view of a ruler showing our new design, the bottom plan view being a mirror image thereto;
FIG. 2 is an enlarged cross-sectional view thereof as taken from line 2--2 of FIG. 1.
Referenced Cited
U.S. Patent Documents
Other references
| 83115 | October 1868 | Wilcox |
| 2210422 | August 1940 | Mercer |
| 3032151 | May 1962 | Allen |
- "For Good Measure" Ruler-National Bureau of Standards Special Publication 376-Dec. 1972.
Patent History
Patent number: D259476
Type: Grant
Filed: Jul 9, 1979
Date of Patent: Jun 9, 1981
Inventors: Irene B. Feingold (Rochester, NY), Stanley Z. Feingold (Rochester, NY)
Primary Examiner: Nelson C. Holtje
Law Firm: Leitner, Palan, Martin & Bernstein
Application Number: 6/55,831
Type: Grant
Filed: Jul 9, 1979
Date of Patent: Jun 9, 1981
Inventors: Irene B. Feingold (Rochester, NY), Stanley Z. Feingold (Rochester, NY)
Primary Examiner: Nelson C. Holtje
Law Firm: Leitner, Palan, Martin & Bernstein
Application Number: 6/55,831
Classifications
