Perpetual calendar calculator
Description
FIG. 1 is a front elevational view of the perpetual calendar calculator of the present invention;
FIG. 2 is a rear elevational view of the perpetual calendar calculator of FIG. 1;
FIG. 3 is a left side elevational view of the perpetual calendar calculator of FIG. 1;
FIG. 4 is a right side elevational view of the perpetual calendar calculator of FIG. 1;
FIG. 5 is a top plan view of the perpetual calendar calculator of FIG. 1; and,
FIG. 6 is a bottom plan view of the perpetual calendar calculator of FIG. 1.
Claims
The ornamental design for a perpetual calendar calculator, as shown and described.
Referenced Cited
U.S. Patent Documents
D323347 | January 21, 1992 | Vlassich |
D365848 | January 2, 1996 | Thomas |
D401272 | November 17, 1998 | Shih |
D410440 | June 1, 1999 | Carnell |
D427629 | July 4, 2000 | Chu et al. |
D434070 | November 21, 2000 | Lin et al. |
D437351 | February 6, 2001 | Chang et al. |
D442210 | May 15, 2001 | Chan |
3800454 | April 1974 | Anderson |
4187629 | February 12, 1980 | Yamada |
4611995 | September 16, 1986 | Sado |
4793634 | December 27, 1988 | Alloggiamento |
4813707 | March 21, 1989 | Habib |
4828290 | May 9, 1989 | Harris |
5560127 | October 1, 1996 | Thomas |
Patent History
Patent number: D450762
Type: Grant
Filed: May 4, 2000
Date of Patent: Nov 20, 2001
Inventor: Henrik Shakhbandaryan (Glendale, CA)
Primary Examiner: Paula A. Mortimer
Application Number: 29/122,793
Type: Grant
Filed: May 4, 2000
Date of Patent: Nov 20, 2001
Inventor: Henrik Shakhbandaryan (Glendale, CA)
Primary Examiner: Paula A. Mortimer
Application Number: 29/122,793
Classifications