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
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
Other references
  • 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
Classifications
Current U.S. Class: Angle Or Direction (7) (D10/65)
International Classification: D1004;