Combination set protractor

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Description

FIG. 1 is front elevational view of a combination set protractor showing our new design;

FIG. 2 is a rear elevational view thereof;

FIG. 3 is a top plan view thereof;

FIG. 4 is a bottom plan view thereof;

FIG. 5 is a left side elevational view thereof;

FIG. 6 is a right side elevational view thereof;

FIG. 7 is a front elevational view thereof showing the protractor in an alternative position.

Referenced Cited
U.S. Patent Documents
D182773 May 1958 Souter
D220648 May 1971 Provi
D224625 August 1972 Carter
1523265 January 1925 Hobbs
2113524 April 1938 Wolfe
2308373 January 1943 Keegan
2400014 May 1946 Luzi
4301600 November 24, 1981 Charnley
Other references
  • Ash Precision Cat. #15-.COPYRGT.1966-p. 107-T-Universal Bevel Protractor. Starrett Cat. #27-1970-p. 158-Combination Tool.
Patent History
Patent number: D267550
Type: Grant
Filed: Dec 11, 1980
Date of Patent: Jan 11, 1983
Assignee: Moore & Wright (Sheffield) Ltd. (Sheffield)
Inventors: Norman L. Smyth (Sheffield), Roy G. Hodgson (Sheffield)
Primary Examiner: Nelson C. Holtje
Law Firm: Cesari and McKenna
Application Number: 6/215,267
Classifications
Current U.S. Class: Combined (D10/62); Angle Or Direction (7) (D10/65)
International Classification: D1004;