Reusable chalkboard graphing stencil

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Description

FIG. 1 is a front elevation view of the reusable chalkboard graphing stencil in extended condition and showing my new design;

FIG. 2 is a rear elevation view thereof;

FIG. 3 is a right side elevaton view thereof, the left side elevation view being a mirror image thereof;

FIG. 4 is a top plan view thereof;

FIG. 5 is a bottom plan view thereof;

FIG. 6 is a front elevation view thereof in rolled condition; and,

FIG. 7 is a right side elevation view thereof in rolled condition, the left side elevation view in rolled condition being a mirror image thereof.

Referenced Cited
U.S. Patent Documents
D32159 January 1900 Nisbet
D267725 January 25, 1983 Sidrak
D278068 March 19, 1985 Sager
830282 September 1906 Andrews
1293313 February 1919 Berkoff
1662882 March 1928 Clark
3376650 April 1968 Cook
3857184 December 1974 Burkin et al.
4599798 July 15, 1986 Steele
5076612 December 31, 1991 Nirmel
5282317 February 1, 1994 Carter et al.
Patent History
Patent number: D418162
Type: Grant
Filed: Jun 3, 1998
Date of Patent: Dec 28, 1999
Inventor: Antoinette M. Mazzaglia (Wilmington, NC)
Primary Examiner: Martie K. Holtje
Law Firm: Olive & Olive, P.A.
Application Number: 0/88,891
Classifications
Current U.S. Class: Stencil (D19/40); Equipment For Writing, Drawing, Or For Fine Arts (D19/35)
International Classification: 1906;