Patent
   D335891
Priority
Jan 08 1991
Filed
Jan 08 1991
Issued
May 25 1993
Expiry
May 25 2007
Assg.orig
Entity
unknown
2
5
n/a
The ornamental design for a calculator, as shown and described.

FIG. 1 is a perspective view of a calculator with the top open showing my new design;

FIG. 2 is a front elevational view thereof;

FIG. 3 is a right side elevational view thereof, the left side being a mirror image;

FIG. 4 is a top plan view thereof;

FIG. 5 is a bottom plan view thereof;

FIG. 6 is a rear elevational view thereof; and,

FIG. 7 is a top perspective view thereof with the top closed.

Peersmann, Richard F. M.

Patent Priority Assignee Title
D427629, Oct 26 1999 Limax Electronics Co., Ltd. Calculator with perpetual calendar suitable for traveler
D427630, Oct 26 1999 Limax Electronics Co., Ltd. Desk calculator with perpetual calendar
Patent Priority Assignee Title
D248994, Nov 10 1976 Sharp Kabushiki Kaisha Electronic calculating machine
D306456, Feb 19 1987 Dah Sun Electronics Company Limited Pocket calculator
D310093, Nov 14 1986 Sharp Corporation Electronic calculator with solar cell
D312831, Apr 17 1987 Sharp Corporation Electronic calculator with voice clock
D317619, Apr 27 1989 Sharp Kabushiki Kaisha Electronic calculator with solar cell
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Executed onAssignorAssigneeConveyanceFrameReelDoc
Jan 08 1991Pollyflame International, B.V.(assignment on the face of the patent)
Jan 08 1991GERSTNER-STEVENS DITMARKarl Mayer Textilmaschinenfabrik GmbHASSIGNMENT OF ASSIGNORS INTEREST 0055800850 pdf
Feb 21 1991PEERSMANN, RICHARD F M POLLYFLAME INTERNATIONAL B V ASSIGNMENT OF ASSIGNORS INTEREST 0056360683 pdf
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