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Class Information
Number: D18/6
Name: Printing and office machinery > Typewriter or calculator > Calculator (3)
Description: Design for machine for performing mechanical calculations only.
Sub-classes under this class:
Patents under this class:
| Patent Number |
Title Of Patent |
Date Issued |
| D597590 |
Self-correcting abacus |
Aug. 4, 2009 |
| D590435 |
Shredder |
Apr. 14, 2009 |
| D578564 |
Table-top voting machine |
Oct. 14, 2008 |
| D537469 |
Voting terminal and keypad |
Feb. 27, 2007 |
| D521050 |
Voting terminal and stand |
May. 16, 2006 |
| D521051 |
Voting terminal |
May. 16, 2006 |
| D515619 |
Pair of enclosure doors |
Feb. 21, 2006 |
| D514152 |
Liquid container for calculator |
Jan. 31, 2006 |
| D513762 |
Abacus |
Jan. 24, 2006 |
| 6315675 |
Score counter for billiards game |
Nov. 13, 2001 |
| D433055 |
Combined counting board and abacus |
Oct. 31, 2000 |
| D429273 |
Conversion apparatus |
Aug. 8, 2000 |
| D421744 |
Electronic calculator having the functions of telephone book, address book, calendar, schedule book and memo book |
Mar. 21, 2000 |
| D413472 |
Key holder |
Sep. 7, 1999 |
| D410440 |
Vehicle maintenance manager |
Jun. 1, 1999 |
| D409185 |
Cellular phone with electric calculator |
May. 4, 1999 |
| D408743 |
Appointment clock |
Apr. 27, 1999 |
| D408442 |
Calculator housing |
Apr. 20, 1999 |
| D405462 |
Calculator |
Feb. 9, 1999 |
| D399522 |
Digital abacus |
Oct. 13, 1998 |
| D395303 |
Cellular phone with electric calculator |
Jun. 16, 1998 |
| D391954 |
Cellular phone with electric calculator |
Mar. 10, 1998 |
| D390865 |
Diet pocket calculator |
Feb. 17, 1998 |
| D390254 |
Electronic calculator for ring binder |
Feb. 3, 1998 |
| D385300 |
Electronic book marker |
Oct. 21, 1997 |
| D384101 |
Attachment for a binder or book |
Sep. 23, 1997 |
| D383778 |
Scheduler |
Sep. 16, 1997 |
| 5585612 |
Method and apparatus for voting |
Dec. 17, 1996 |
| D375758 |
Attachment for a binder or book |
Nov. 19, 1996 |
| D372932 |
Electronic calculator having the functions of telephone book, address book, calendar, schedule book and memo book |
Aug. 20, 1996 |
| D369616 |
Desk top calculator |
May. 7, 1996 |
| D369178 |
Notebook calculator |
Apr. 23, 1996 |
| D362266 |
Electronic calculator |
Sep. 12, 1995 |
| D354478 |
Information devices having the function of calculator portable information terminal telephone book, address book, calendar, schedule book and memo book |
Jan. 17, 1995 |
| D350971 |
Calculator for spiral bound/ring binder notebook organizer |
Sep. 27, 1994 |
| D350148 |
Electronic calculator |
Aug. 30, 1994 |
| D348897 |
Clip-on calculator |
Jul. 19, 1994 |
| D345757 |
Combination calculator and clock |
Apr. 5, 1994 |
| D344535 |
Hand-held calorie computer |
Feb. 22, 1994 |
| D344536 |
Label printer |
Feb. 22, 1994 |
| D343187 |
Calculator |
Jan. 11, 1994 |
| D340255 |
Calculator |
Oct. 12, 1993 |
| D339603 |
Calculator with cutter |
Sep. 21, 1993 |
| D334020 |
Multi-function programmable electronic calculator |
Mar. 16, 1993 |
| D332961 |
Calculator |
Feb. 2, 1993 |
| D329451 |
Calculator |
Sep. 15, 1992 |
| D329049 |
Portable telephone talking calculator |
Sep. 1, 1992 |
| D328607 |
Calculator for a shopping cart |
Aug. 11, 1992 |
| D328091 |
Electronic calculator |
Jul. 21, 1992 |
| D326471 |
Calculator |
May. 26, 1992 |
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