Combined magnetically responsive metal powder and tray

Description

FIG. 1 is a perspective view of a combined magnetically responsive metal powder and tray illustrating my new design.

FIG. 2 is a plan view thereof.

FIG. 3 is a side view thereof.

FIG. 4 is a plan view of a second embodiment of FIG. 1, the only difference being a reduction in its size;

FIG. 5 is a plan view of a third embodiment of FIG. 1, the only difference being a reduction in its size.

Referenced Cited
U.S. Patent Documents
D201847 August 1965 Fleming, Jr. et al.
D208274 August 1967 Friday
D275366 September 4, 1984 Maxwell
D300209 March 14, 1989 Finilver et al.
D311338 October 16, 1990 Serio, Jr.
1289193 December 1918 Kline
2853830 September 1958 Herzog
3585735 June 1971 Miller
Other references
  • Constructive Playthings; 1985-86; p. 72, Etch-a-Sketch.
Patent History
Patent number: D320366
Type: Grant
Filed: Nov 20, 1989
Date of Patent: Oct 1, 1991
Inventor: David M. Durlach (Somerville, MA)
Primary Examiner: B. J. Bullock
Assistant Examiner: Doninic Simone
Law Firm: Hamilton, Brook, Smith & Reynolds
Application Number: 7/439,515
Classifications