Design for combined ruler and magnifying caliper
Description
FIG. 1 is a top plan view of a combined ruler and magnifying caliper showing my new design, the bottom plan view being a mirror image thereto;
FIG. 2 is a side elevational view thereof as taken from line 2--2 of FIG. 1;
FIG. 3 is a top plan view of the upper element of FIG. 1 shown disconnected from the lower element for clarity and ease of illustration;
FIG. 4 is a top plan view of the lower element of FIG. 1 shown disconnected from the upper element for clarity and ease of illustration;
Both elements of the combined ruler and magnifying caliper are transparent.
Referenced Cited
U.S. Patent Documents
Other references
65532 | June 1867 | Bickford et al. |
71953 | December 1867 | Batchelder |
D220061 | March 1971 | Kerns |
D246699 | December 20, 1977 | Pingel |
D248864 | August 8, 1978 | Yen |
D252615 | August 14, 1979 | Lopez |
622569 | April 1899 | Van Namee |
1009214 | November 1911 | Backstrom |
1341435 | May 1920 | Olsen |
1797213 | March 1931 | Marcum |
- Yachting-2/79-p. 81-Course Plotters at right.
Patent History
Patent number: D259546
Type: Grant
Filed: Feb 21, 1979
Date of Patent: Jun 16, 1981
Inventor: Morris Simon (Beacon Hill, Boston, MA)
Primary Examiner: Nelson C. Holtje
Attorney: Norvell E. Von Behren
Application Number: 6/13,053
Type: Grant
Filed: Feb 21, 1979
Date of Patent: Jun 16, 1981
Inventor: Morris Simon (Beacon Hill, Boston, MA)
Primary Examiner: Nelson C. Holtje
Attorney: Norvell E. Von Behren
Application Number: 6/13,053
Classifications