Title:
Alphanumeric input device
United States Patent D471559
US Patent References:
Input/output terminal
Sakaguchi et al. - - D304175

Portable keyboard for remote controller
Auerbach et al. - - D320598

Remote control
Turin et al. - - D368094

Keyboard
Brenner et al. - - D375947

Information device with display and keyboard having corresponding sets of function keys
Brenner et al. - - 5786983


Representative Image:
Alphanumeric input device
Inventors:
De Saulles, Stephen (London, GB)
Application Number:
D/148276
Publication Date:
03/11/2003
Filing Date:
09/15/2001
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Assignee:
Patientline plc (Slough, GB)
Primary Class:
D14/455
Other Classes:
D14/392, D14/247, D14/406
Field of Search:
200/6R, 200/5A, D14/456, D18/2, D14/247, D18/7, 178/17C, 341/23, 345/168, 200/6A, 178/17A, 400/485, 400/492, 341/22, 200/5R, 400/484, D18/4, D14/391-399, 364/708.1, D18/1, D14/455
US Patent References:
D416024Handset key matrixJohansson et al.D14/247
6396482Hand-held electronic device with a keyboard optimized for use with the thumbsGriffin et al.345/169
Primary Examiner:
Chin, Kay H.
Attorney, Agent or Firm:
Clayton, Howarth & Cannon, P.C.
Claims:
1. The ornamental design for an alphanumeric input device, as shown and described.

Description:
FIG. 1 is a perspective view thereof; and,

FIG. 2 is a top view thereof.

The broken line showing of the hand held device is for illustrative purposes only and forms no part of the claimed design.