Search Images Maps Play YouTube News Gmail Drive More »
Sign in
Screen reader users: click this link for accessible mode. Accessible mode has the same essential features but works better with your reader.

Patents

  1. Advanced Patent Search
Publication numberUSD340445 S
Publication typeGrant
Application numberUS 07/757,435
Publication dateOct 19, 1993
Filing dateSep 10, 1991
Priority dateMar 13, 1991
Publication number07757435, 757435, US D340445 S, US D340445S, US-S-D340445, USD340445 S, USD340445S
InventorsKai-Uwe Marquardt, Ekkehard Sachs, Ralf Sauer
Original AssigneeMarquardt Gmbh
Export CitationBiBTeX, EndNote, RefMan
External Links: USPTO, USPTO Assignment, Espacenet
Dual component keyboard unit
US D340445 S
Images(7)
Previous page
Next page
Claims(1)
  1. The ornamental design for a dual component keyboard unit, as shown and described.
Description

FIG. 1 is a reduced top plan view of the dual component keyboard unit showing our new design;

FIG. 2 is a front elevational view of the largest keyboard shown separately for clarity of illustration only;

FIG. 3 is a rear elevational view thereof;

FIG. 4 is a side elevational view thereof;

FIG. 5 is a side elevational view thereof opposite that shown in FIG. 4;

FIG. 6 is a front top and side perspective view thereof;

FIG. 7 is a front elevational view of the smallest keyboard shown separately for clarity of illustration only;

FIG. 8 is a rear elevational view thereof;

FIG. 9 is a side elevational view thereof;

FIG. 10 is a side elevational view thereof opposite that shown in FIG. 9; and,

FIG. 11 is a front top and side perspective view thereof.

Non-Patent Citations
Reference
1"Die ergonomische Tastatur. Konsequent in Richtung Zukunft gedacht"; (Marquardt); [Ergonomic Keyboard. Responsibility Conceived toward the Future]; 1987.
2"Ergonomische tastaturgestaltung"; (Fraunhofer-Institut); [Ergonomic Keyboard Configuration]; (undated).
3"Report"; (STR), Technische Zeitschrift der Standard Telephon und Radio AG, vol. 7, No. 1, Jun. 1986.
Referenced by
Citing PatentFiling datePublication dateApplicantTitle
USRE43485Jul 2, 2009Jun 26, 2012Kinesis CorporationKeyboard
Classifications
U.S. ClassificationD14/393