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Details of the key cap concerning the actuation by fingernails or having provision to allow usage with long fingernails
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CPC
H01H2003/127
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H
ELECTRICITY
H01
Electric elements
H01H
ELECTRIC SWITCHES RELAYS SELECTORS EMERGENCY PROTECTIVE DEVICES
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H01H2003/127
Details of the key cap concerning the actuation by fingernails or having provision to allow usage with long fingernails
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Patents Grants
last 30 patents
Information
Patent Grant
Key structure
Patent number
10,488,943
Issue date
Nov 26, 2019
Primax Electronics Ltd.
Chuang-Shu Jhuang
G06 - COMPUTING CALCULATING COUNTING
Information
Patent Grant
Pull out air gap switch for wallbox-mounted dimmer
Patent number
7,365,282
Issue date
Apr 29, 2008
Lutron Electronics Co., Ltd.
Gregory S. Altonen
H05 - ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
Information
Patent Grant
Pushbutton switch
Patent number
6,087,605
Issue date
Jul 11, 2000
K. A. Schmersal GmbH & Co.
Walter Heidenfels
H01 - BASIC ELECTRIC ELEMENTS
Information
Patent Grant
Portable computer with large screen display
Patent number
5,245,559
Issue date
Sep 14, 1993
The Laitram Corporation
James M. Lapeyre
G06 - COMPUTING CALCULATING COUNTING
Information
Patent Grant
Nail saver extension keys
Patent number
5,201,594
Issue date
Apr 13, 1993
Raphael Adinolfi
B41 - PRINTING LINING MACHINES TYPEWRITERS STAMPS
Information
Patent Grant
Comprehensive computer data and control entries from very few keys...
Patent number
5,184,315
Issue date
Feb 2, 1993
The Laitram Corporation
James M. Lapeyre
G06 - COMPUTING CALCULATING COUNTING
Information
Patent Grant
Programmable hand held computers operable with two-strokes perentry...
Patent number
5,124,940
Issue date
Jun 23, 1992
The Laitram Corporation
James M. Lapeyre
G06 - COMPUTING CALCULATING COUNTING
Information
Patent Grant
Keyboard menus displayed on the computer screen for directing entry...
Patent number
5,105,375
Issue date
Apr 14, 1992
The Laitram Corporation
James M. Lapeyre
G06 - COMPUTING CALCULATING COUNTING
Information
Patent Grant
Hand held computers with alpha keystroke
Patent number
5,067,103
Issue date
Nov 19, 1991
The Laitram Corporation
James M. Lapeyre
G06 - COMPUTING CALCULATING COUNTING
Information
Patent Grant
Comprehensive computer data and control entries from very few keys...
Patent number
5,062,070
Issue date
Oct 29, 1991
The Laitram Corporation
James M. Lapeyre
G06 - COMPUTING CALCULATING COUNTING
Information
Patent Grant
Cursor selected keyboard keys displayed on the computer screen for...
Patent number
5,058,046
Issue date
Oct 15, 1991
The Laitram Corporation
James M. Lapeyre
G06 - COMPUTING CALCULATING COUNTING
Information
Patent Grant
Cursor selected keyboard keys displayed on the computer screen for...
Patent number
5,008,847
Issue date
Apr 16, 1991
The Laitram Corporation
James M. Lapeyre
G06 - COMPUTING CALCULATING COUNTING
Information
Patent Grant
Portable keyboard operated alpha computer system with few keys and...
Patent number
4,999,795
Issue date
Mar 12, 1991
The Laitram Corporation
James M. Lapeyre
G06 - COMPUTING CALCULATING COUNTING
Information
Patent Grant
Contoured touch type data processing keyboard
Patent number
4,994,992
Issue date
Feb 19, 1991
The Laitram Corporation
James M. Lapeyre
G06 - COMPUTING CALCULATING COUNTING
Information
Patent Grant
Keyboard located indicia for instructing a multi-mode programmable...
Patent number
4,924,431
Issue date
May 8, 1990
The Laitram Corporation
James M. Lapeyre
G06 - COMPUTING CALCULATING COUNTING
Information
Patent Grant
Programmable computer with alphanumeric capabilities having few key...
Patent number
4,910,697
Issue date
Mar 20, 1990
The Laitram Corporation
James M. Lapeyre
G06 - COMPUTING CALCULATING COUNTING
Information
Patent Grant
Single hand keyboard arrays providing alphanumeric capabilities fro...
Patent number
4,891,777
Issue date
Jan 2, 1990
The Laitram Corporation
James M. Lapeyre
G06 - COMPUTING CALCULATING COUNTING
Information
Patent Grant
Portable keyboard operated alpha computer system with few keys and...
Patent number
4,860,234
Issue date
Aug 22, 1989
The Laitram Corporation
James M. Lapeyre
G06 - COMPUTING CALCULATING COUNTING
Information
Patent Grant
Keyboard construction
Patent number
4,626,668
Issue date
Dec 2, 1986
Martin Perches
G06 - COMPUTING CALCULATING COUNTING
Information
Patent Grant
Single hand, single finger stroke alphameric data processing keyboa...
Patent number
4,549,279
Issue date
Oct 22, 1985
The Laitram Corporation
James M. Lapeyre
G06 - COMPUTING CALCULATING COUNTING
Information
Patent Grant
Computer keyboards with few keys designating hundreds of functions
Patent number
4,547,860
Issue date
Oct 15, 1985
The Laitram Corporation
James M. Lapeyre
G06 - COMPUTING CALCULATING COUNTING
Information
Patent Grant
Key for data processing miniature implements
Patent number
4,310,753
Issue date
Jan 12, 1982
Janos Fischer
H01 - BASIC ELECTRIC ELEMENTS
Information
Patent Grant
Keyboard for a miniature calculator
Patent number
4,292,510
Issue date
Sep 29, 1981
Manfred Hild
H01 - BASIC ELECTRIC ELEMENTS
Information
Patent Grant
Pushbutton for use with pushbutton switches
Patent number
4,251,703
Issue date
Feb 17, 1981
International Standard Electric Corporation
Siegfried Hoeft
H01 - BASIC ELECTRIC ELEMENTS
Information
Patent Grant
3783205
Patent number
3,783,205
Issue date
Jan 1, 1974
H01 - BASIC ELECTRIC ELEMENTS
Information
Patent Grant
3707609
Patent number
3,707,609
Issue date
Dec 26, 1972
H01 - BASIC ELECTRIC ELEMENTS
Information
Patent Grant
2484886
Patent number
2,484,886
Issue date
Oct 18, 1949
B41 - PRINTING LINING MACHINES TYPEWRITERS STAMPS
Patents Applications
last 30 patents
Information
Patent Application
KEY STRUCTURE
Publication number
20190220101
Publication date
Jul 18, 2019
Primax Electronics Ltd.
Chuang-Shu Jhuang
G06 - COMPUTING CALCULATING COUNTING
Information
Patent Application
KEYBOARD
Publication number
20180337005
Publication date
Nov 22, 2018
PRIMAX ELECTRONICS LTD.
Chuang-Shu JHUANG
H01 - BASIC ELECTRIC ELEMENTS
Information
Patent Application
Pull out air gap switch for wallbox-mounted dimmer
Publication number
20050284738
Publication date
Dec 29, 2005
Lutron Electronics Co., Inc.
Gregory S. Altonen
H05 - ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
Information
Patent Application
Removable fingernail protectors for keys and pushbuttons
Publication number
20050083306
Publication date
Apr 21, 2005
Chuck Monary
G06 - COMPUTING CALCULATING COUNTING