Combined ruler and letter opener

Description

FIG. 1 is a perspective view of a combined ruler and letter opener with a letter-opener showing my new design,

FIG. 2 is a front elevational view thereof,

FIG. 3 is a right end elevational view thereof,

FIG. 4 is a left end elevational view thereof,

FIG. 5 is a top plan view thereof,

FIG. 6 is a rear elevational view thereof; and

FIG. 7 is a bottom plan view thereof.

Referenced Cited
U.S. Patent Documents
D92791 July 1934 Burgess
D107570 December 1937 Erk
D141490 June 1945 Henderson
D169226 March 1953 Sandberg
D172945 September 1954 Baker
D177697 May 1956 Salm
D235091 May 1975 Daenen
D245109 July 19, 1977 Yoshioka
D252973 September 25, 1979 Bateman
418870 January 1890 Hazlett
1453900 May 1923 Ahearn
Foreign Patent Documents
431476 June 1948 ITX
Other references
  • Grammes Cat.-Advertising Specialties .COPYRGT.1939, p. 20, Letter Opener-Ruler, 2nd from top.
Patent History
Patent number: D261612
Type: Grant
Filed: Aug 13, 1979
Date of Patent: Nov 3, 1981
Inventor: Walter Henkels (5142 Huckelhoven)
Primary Examiner: Nelson C. Holtje
Law Firm: Diller, Ramik & Wight
Application Number: 6/65,971
Classifications
Current U.S. Class: D/8104; Rule, Tape Or Scale (10) (D10/71)
International Classification: D0803;