Spring pressure gauge or similar article

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Description

FIG. 1 is a perspective view of a spring pressure gauge or similar article showing my new design;

FIG. 2 is a side elevational view thereof;

FIG. 3 is a top plan view thereof; and

FIG. 4 is a bottom plan view thereof.

Referenced Cited
U.S. Patent Documents
2450188 September 1948 DeGraaf
2689408 September 1954 Cornell
2789356 April 1957 Blanks
2983138 May 1961 Delker
3455154 July 1969 Cetran
3498120 March 1970 MacMillan
3839908 October 1974 Casper
Patent History
Patent number: D252381
Type: Grant
Filed: Oct 6, 1977
Date of Patent: Jul 17, 1979
Inventor: Thoburn T. Mosier (Columbus, OH)
Primary Examiner: Nelson C. Holtje
Attorney: William S. Rambo
Application Number: 5/840,060
Classifications
Current U.S. Class: Weight, Force Or Density (D10/83)
International Classification: D1004;