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Class Information
Number: 400/490
Name: Typewriting machines > Key-board or key lever-actuating mechanism > Key-cap or key-stem structure
Description: Subject matter wherein significance is attributed to a key* cap, which key cap is that part of a key element that is engaged by a finger of the typist during pressing of the key or is visible to the typist and bears a character* symbol corresponding to the character that will be imprinted on the record-medium* when the key is pressed, or wherein significance is attributed to a key stem, which key stem is that part of a key element that connects the key cap to the key lever.
Sub-classes under this class:
Patents under this class:
| Patent Number |
Title Of Patent |
Date Issued |
| 7619173 |
Light guide sheet and movable contact unit and switch using the same |
Nov. 17, 2009 |
| 7404682 |
Thin keypad assemblies and components for electronics devices and methods |
Jul. 29, 2008 |
| 7360957 |
Thin keypad assemblies and components for electronics devices and methods |
Apr. 22, 2008 |
| 7326864 |
Method and apparatus for masking keystroke sounds from computer keyboards |
Feb. 5, 2008 |
| 7325988 |
One-piece ergonomic keyboard and related methods |
Feb. 5, 2008 |
| 7271361 |
Input key and input apparatus |
Sep. 18, 2007 |
| 7182533 |
Keyboard contoured to the natural shape of the hand |
Feb. 27, 2007 |
| 7173200 |
Key switch |
Feb. 6, 2007 |
| 7138587 |
Key switch, keyboard and key-switch assembling jig |
Nov. 21, 2006 |
| 7134205 |
Method for producing buttons, ornamental and instrument panels with fine symbols, and a button produced with the method |
Nov. 14, 2006 |
| 7097371 |
Keytop |
Aug. 29, 2006 |
| 7087850 |
Cleanable keyboard |
Aug. 8, 2006 |
| 7083343 |
Keyboard keys using marked elastic domes and fabrication method thereof |
Aug. 1, 2006 |
| 7079049 |
Element for identifying the functions associated with computer keyboard keys |
Jul. 18, 2006 |
| 7070349 |
Thin keyboard and components for electronics devices and methods |
Jul. 4, 2006 |
| 7059789 |
Key structure |
Jun. 13, 2006 |
| 7048456 |
Keyboard arrangement |
May. 23, 2006 |
| 7040824 |
Gel-cushioned accessory for a keyboard |
May. 9, 2006 |
| 7038598 |
Keyboard assemblies |
May. 2, 2006 |
| 7014377 |
Key pad, resin key top injection mold, and resin key top manufacturing method |
Mar. 21, 2006 |
| 6991390 |
Locating key for a keyboard or keypad |
Jan. 31, 2006 |
| 6984793 |
Multidirectional switch actuator and a personal digital assistant using the same |
Jan. 10, 2006 |
| 6979792 |
Keystroke structure (1) |
Dec. 27, 2005 |
| 6980095 |
Illuminated vehicle remote entry device |
Dec. 27, 2005 |
| 6971807 |
Waterproof keyboard |
Dec. 6, 2005 |
| 6967056 |
Key sheet |
Nov. 22, 2005 |
| 6964532 |
Key array structure |
Nov. 15, 2005 |
| 6962452 |
Keyboard having key floating device |
Nov. 8, 2005 |
| 6937229 |
Keycap for displaying a plurality of indicia |
Aug. 30, 2005 |
| 6920041 |
Input device and methods and systems for same |
Jul. 19, 2005 |
| 6887001 |
Key button structure for handheld mobile phone and its similar instrument, and method for forming the same |
May. 3, 2005 |
| 6887002 |
Keyboard cover |
May. 3, 2005 |
| 6883985 |
Printable, reusable key masks |
Apr. 26, 2005 |
| 6880994 |
Keyboard and electronic apparatus having the same |
Apr. 19, 2005 |
| 6869240 |
Keyboard input device |
Mar. 22, 2005 |
| 6833522 |
Key switch device and method for manufacturing the same |
Dec. 21, 2004 |
| 6830397 |
Expandable and contractible keyboard device |
Dec. 14, 2004 |
| 6827513 |
Ergonomic keyboard |
Dec. 7, 2004 |
| 6826042 |
Input device and methods and systems for same |
Nov. 30, 2004 |
| 6824321 |
Keypad assembly |
Nov. 30, 2004 |
| 6821036 |
Keyboard allowing for simple, cost-effective production |
Nov. 23, 2004 |
| 6805507 |
Keyboard device |
Oct. 19, 2004 |
| 6776547 |
Keyboard housing for a keypad of a push-button keyboard |
Aug. 17, 2004 |
| 6761494 |
Button apparatus with a complex elastic unit |
Jul. 13, 2004 |
| 6758615 |
Pressure sensitive functionality for keyboard keys |
Jul. 6, 2004 |
| 6755582 |
Key structure |
Jun. 29, 2004 |
| 6752552 |
Locating key for a keyboard or keypad |
Jun. 22, 2004 |
| 6733196 |
Stroke-limited key structure and keyboard including the structure |
May. 11, 2004 |
| 6705783 |
Ruggedized keyboard with cursor positioning device |
Mar. 16, 2004 |
| 6698957 |
Foldable keyboard with point stick |
Mar. 2, 2004 |
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