Writing board

- Vertiflex Company

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Description

FIG. 1 is a perspective view of a writing board, showing our new design;

FIG. 2 is a top plan view thereof;

FIG. 3 is a side elevational view, the opposite side being a mirror image thereof;

FIG. 4 is an end elevational view;

FIG. 5 is an end elevational view of the end opposite that shown in FIG. 4; and

FIG. 6 is a bottom plan view thereof.

Referenced Cited
U.S. Patent Documents
D114382 April 1939 Kemp
D127480 May 1941 Corcoran
D140921 April 1945 Vermann
D159473 August 1950 Cottier
D174188 March 1955 Martin
D231956 June 1974 Meagher
D268687 April 19, 1983 Rogers
D276732 December 11, 1984 Marquez
D279630 July 16, 1985 Bart
D282792 March 4, 1986 Zinbarg
D308542 June 12, 1990 De Witt
Patent History
Patent number: D315366
Type: Grant
Filed: Nov 2, 1987
Date of Patent: Mar 12, 1991
Assignee: Vertiflex Company (Chicago, IL)
Inventor: Randy S. Greenspahn (Wilmette, IL)
Primary Examiner: Bruce W. Dunkins
Assistant Examiner: Martha Thompson
Attorney: Garrettson Ellis
Application Number: 7/115,359