Dual tip marking instrument

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Description

Be it known that I, Stephen R. Gribb, have invented a new, original and ornamental design for a dual tip marking instrument of which the following is a specification, reference being had to the accompanying drawings, forming a part hereof.

FIG. 1 is a front elevational view of a dual tip marking instrument showing my new design;

FIG. 2 is a front elevational view thereof, with the end caps removed;

FIG. 3 is a cross sectional view, taken along line 3--3 in FIG. 1;

FIG. 4 is a cross sectional view, taken along line 4--4 in FIG. 4;

FIG. 5 is an end elevational view thereof, with the end caps in place;

FIG. 6 is a left end elevational view thereof, with the end cap removed; and

FIG. 7 is a right end elevational view thereof with the end cap removed.

Referenced Cited
U.S. Patent Documents
D141850 July 1945 Sanders
D158051 April 1950 Compas
D220296 March 1971 Berlin
D256135 July 29, 1980 Storms
3969028 July 13, 1976 Negreiros
Patent History
Patent number: D279992
Type: Grant
Filed: Apr 6, 1983
Date of Patent: Aug 6, 1985
Inventor: Stephen R. Gribb (Allen Park, MI)
Primary Examiner: George P. Word
Attorney: Adolph G. Martin
Application Number: 6/482,563