Resources Contact Us Home
Browse by: INVENTOR PATENT HOLDER PATENT NUMBER DATE
 
 
Browse by Category: Main > Business
Class Information
Number: D18/1
Name: Printing and office machinery > Typewriter or calculator
Description: Design for producing characters similar to print by pressing keys or machine to perform mathematical calculations.










Sub-classes under this class:

Class Number Class Name Patents
D18/6 Calculator (3) 93
D18/3.1 Cash handling machine 44
D18/4.1 Cash register 67
D18/5 Checkwriter (2) 15
D18/2 Combined (1) 218
D18/12 Element or attachment 367
D18/4.4 Point-of-sale type terminal 68


Patents under this class:
1 2 3 4 5

Patent Number Title Of Patent Date Issued
D617369 Braille writer Jun. 8, 2010
D430870 Computer Sep. 12, 2000
D421599 Electronic phone book Mar. 14, 2000
D404024 Electronic checkbook Jan. 12, 1999
D397680 Electronic organizer Sep. 1, 1998
D391982 Word processor Mar. 10, 1998
D376812 Electronic typewriter having a full-size display screen Dec. 24, 1996
D375116 Electronic typewriter having a display screen Oct. 29, 1996
D374247 Electronic typewriter Oct. 1, 1996
D372943 Toy typewriter Aug. 20, 1996
D371571 Typewriter Jul. 9, 1996
D371570 Word processor Jul. 9, 1996
D364889 Word processor Dec. 5, 1995
D362012 Word processor Sep. 5, 1995
D359751 Word processor Jun. 27, 1995
D359750 Electronic typewriter Jun. 27, 1995
D359752 Word processor Jun. 27, 1995
D357231 Computer housing Apr. 11, 1995
D356104 Electronic word processor Mar. 7, 1995
D355902 Keyboard for electronic computer Feb. 28, 1995
D355171 Portable computer Feb. 7, 1995
D354976 Cash register Jan. 31, 1995
D354071 Typewriter Jan. 3, 1995
D351183 Word processor Oct. 4, 1994
D351184 Electronic typewriter Oct. 4, 1994
D350149 Electronic calculator Aug. 30, 1994
5308174 Text processing system with a movable display device May. 3, 1994
D337346 Portable typewriter for the handicapped Jul. 13, 1993
D336441 Hand held business timer Jun. 15, 1993
D334942 Typewriter Apr. 20, 1993
D333830 Word processor Mar. 9, 1993
D332960 Typewriter Feb. 2, 1993
D332618 Electronic typewriter Jan. 19, 1993
D332617 Electronic typewriter Jan. 19, 1993
D332619 Electronic typewriter Jan. 19, 1993
D331770 Check protector/signer Dec. 15, 1992
D331594 Typewriter Dec. 8, 1992
D331253 Typewriter Nov. 24, 1992
D328606 Electronic typewriter Aug. 11, 1992
D322801 Child's typewriter Dec. 31, 1991
D322087 Typewriter Dec. 3, 1991
D321202 Electronic typewriter Oct. 29, 1991
D320998 Electronic typewriter Oct. 22, 1991
D319636 Word processor Sep. 3, 1991
D319223 Pocket electronic dictionary Aug. 20, 1991
D319046 Desk top terminal having angularly adjustable display module Aug. 13, 1991
D317934 Typewriter Jul. 2, 1991
D317780 Multi-function programmable electronic calculator Jun. 25, 1991
D317781 Multi-function programmable electronic calculator Jun. 25, 1991
D317782 Multi-function programmable electronic calculator Jun. 25, 1991

1 2 3 4 5










 
 
  Recently Added Patents
Rotating-body electrification mechanism, image carrier unit, process cartridge, image forming apparatus, and method for electrifying image carrier unit
Method and composition for hyperthermally treating cells
Closed-loop adaptive adjustment of pacing therapy based on cardiogenic impedance signals detected by an implantable medical device
Systems and methods for mitigating spectral regrowth from non-linear systems
Wideband antenna
Lighting apparatus
Apparatus and method for discharging capacitor of input filter of power supply, and power supply including the apparatus
  Randomly Featured Patents
Field emission device and manufacturing method thereof
Flow valve
Control device for variable displacement type compressor
Method for performing wedge analysis for assessing wedge instabilities in underground openings
Glove
Alternating current generator field regulation control
Exposure apparatus having dynamically isolated reaction frame
Process for producing lithium iron phosphate particles and method for producing secondary cell
Unit for mounting hood of watercraft
Polymerization of beta-pinene