Shaft for a marking instrument

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Description

FIG. 1 a side elevational view of a shaft for a marking instrument showing my new design;

FIG. 2 is an enlarged scale bottom plan view thereof;

FIG. 3 is an enlarged scale cross-sectional view taken along lines 3--3 of FIG. 1;

FIG. 4 is an enlarged scale cross-sectional view taken along lines 4--4 of FIG. 1;

FIG. 5 is an enlarged scale top end view thereof;

FIG. 6 is a side elevational view of an alternate embodiment of the shaft for a marking instrument;

FIG. 7 is a side elevational view of another embodiment of the shaft for a marking instrument;

FIG. 8 is an enlarged scale fragmentary side elevational view, of a further embodiment of the shaft for a marking instrument, the part not shown being the same as the embodiment of FIG. 1; and

FIG. 9 is a bottom end view of the embodiment of FIG. 8.

Referenced Cited
U.S. Patent Documents
D93736 October 1934 Riddel
D136595 November 1943 Pleasants
D185824 August 1959 Armstrong et al.
D202395 September 1965 Lamb
D237705 November 1975 Anderson
Patent History
Patent number: D261901
Type: Grant
Filed: Sep 29, 1978
Date of Patent: Nov 17, 1981
Inventor: Melvin C. Coffman (Denver, CO)
Primary Examiner: George P. Word
Law Firm: Cantor and Singer
Application Number: 5/947,155
Classifications
Current U.S. Class: Element Or Attachment (D19/54); Diagonal Striation (D19/50)
International Classification: D1906;