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
Other references
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 |
- 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
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
Current U.S. Class:
Sculpture, Table Or Wall Ornament (D11/131)