Marking caliper

Description

FIG. 1 is a front elevational view of a marking caliper showing my new design;

FIG. 2 is a rear elevational view;

FIG. 3 is a right side elevational view;

FIG. 4 is a left side elevational view;

FIG. 5 is a top plan view;

FIG. 6 is a bottom plan view;

FIG. 7 is a cross-sectional view as taken along line 7--7 of FIG. 1; and

FIG. 8 is a cross-sectional view as taken along line 8--8 of FIG. 1 thereof .

Referenced Cited
U.S. Patent Documents
D251483 April 3, 1979 Freeman
D285057 August 12, 1986 Labelle
883660 March 1908 Marr
2668359 February 1954 Litchfield
Foreign Patent Documents
49465 August 1911 ATX
56162 November 1912 ATX
154861 August 1932 ATX
52013 June 1922 CHX
64853 March 1928 CHX
88682 March 1937 CHX
Other references
  • Dyer, Measurement Instruments, 1983, 56-58. Mitutoyo, Micrometers, 1981, pp. 52,53.
Patent History
Patent number: D315317
Type: Grant
Filed: Oct 31, 1988
Date of Patent: Mar 12, 1991
Inventor: John L. McFarland (Roy, UT)
Primary Examiner: Nelson C. Holtje
Assistant Examiner: Antoinc D. Davis
Attorney: A. Ray Osburn
Application Number: 7/264,681
Classifications