Calculator
Description
FIG. 1 is a front elevational view of a calculator in an open position, showing my new design;
FIG. 2 is a rear elevational view thereof;
FIG. 3 is a side elevational view thereof;
FIG. 4 is a side elevational view of the other side thereof;
FIG. 5 is a top plan view thereof;
FIG. 6 is a bottom plan view thereof; and,
FIG. 7 is a perspective view from above and one side of the calculator in the closed position.
Referenced Cited
U.S. Patent Documents
Other references
D297547 | September 6, 1988 | Sasaki |
- Hong Kong Enterprise, Jul. 1985, p. 184, Calculator #10-838, top right corner of pg. Hong Kong Enterprise Mar. 1989, p. 131, Calculator #822, top right of pg.
Patent History
Patent number: D340255
Type: Grant
Filed: Jan 15, 1992
Date of Patent: Oct 12, 1993
Inventor: Chi-Wing A. Yip (Central)
Primary Examiner: Alan P. Douglas
Assistant Examiner: Ann Hunt
Law Firm: Sandler Greenblum & Bernstein
Application Number: 7/820,958
Type: Grant
Filed: Jan 15, 1992
Date of Patent: Oct 12, 1993
Inventor: Chi-Wing A. Yip (Central)
Primary Examiner: Alan P. Douglas
Assistant Examiner: Ann Hunt
Law Firm: Sandler Greenblum & Bernstein
Application Number: 7/820,958
Classifications
Current U.S. Class:
Calculator (3) (D18/6)