Calculator
Description
FIG. 1 is a perspective view of a calculator showing my new design;
FIG. 2 is a front view thereof;
FIG. 3 is a rear view thereof;
FIG. 4 is a left side elevational view thereof;
FIG. 5 is a right side elevational view thereof;
FIG. 6 is a top plan view thereof; and,
FIG. 7 is a bottom plan view thereof.
Referenced Cited
U.S. Patent Documents
Other references
D263710 | April 6, 1982 | Asano |
D279782 | July 23, 1985 | Bismanovsky et al. |
D299825 | February 14, 1989 | Dickie |
D300219 | March 14, 1989 | Lentz |
D310092 | August 21, 1990 | Endo et al. |
D326488 | May 26, 1992 | Carroll |
D365595 | December 26, 1995 | Trobert |
D384894 | October 14, 1997 | Tsuei et al. |
D392899 | March 31, 1998 | Cazenave |
5247428 | September 21, 1993 | Yu |
- Hong Kong Enterprise; p. 288; Item #228; left side middle, Nov. 1987. Hong Kong Enterprise; p. 418; Item #HF9008--AM/FM Mini radio with electronic calculator; lower left, Oct. 1997.
Patent History
Patent number: D412180
Type: Grant
Filed: Jan 26, 1998
Date of Patent: Jul 20, 1999
Inventor: Ken Tsuei (Taipei)
Primary Examiner: Caron D. Veynar
Law Firm: A & J
Application Number: 0/82,560
Type: Grant
Filed: Jan 26, 1998
Date of Patent: Jul 20, 1999
Inventor: Ken Tsuei (Taipei)
Primary Examiner: Caron D. Veynar
Law Firm: A & J
Application Number: 0/82,560
Classifications