Keyboard
Marquardt , et al. November 9, 1
U.S. patent number D341,134 [Application Number 07/757,433] was granted by the patent office on 1993-11-09 for keyboard. This patent grant is currently assigned to Marquardt GmbH. Invention is credited to Kai-Uwe Marquardt, Ekkehard Sachs, Ralf Sauer.
| United States Patent | D341,134 |
| Marquardt , et al. | November 9, 1993 |
Keyboard
Claims
The ornamental design for a keyboard, as shown and described.
| Inventors: | Marquardt; Kai-Uwe (Rietheim-Weilheim, DE), Sachs; Ekkehard (Spaichingen, DE), Sauer; Ralf (Wurmlingen, DE) |
|---|---|
| Assignee: | Marquardt GmbH
(Rietheim-Weilheim, DE) |
| Appl. No.: | 07/757,433 |
| Filed: | September 10, 1991 |
Foreign Application Priority Data
| Mar 13, 1991 [DE] | M9101962.1 | |||
| Current U.S. Class: | D14/393 |
| Field of Search: | ;D14/100,101,106,115 ;D18/1,7,11,12 ;235/145A,145R ;340/700,706 ;341/22,23 ;364/708,709.04 ;361/390,394 ;400/82,486,488,489 |
References Cited [Referenced By]
U.S. Patent Documents
| D317595 | June 1991 | Yoshitake |
| D323817 | February 1992 | Buchin |
| 0055220 | Jun 1982 | EP | |||
| 577708 | Jun 1933 | DE2 | |||
| 1255117 | Nov 1967 | DE | |||
| 2218065 | Oct 1973 | DE | |||
| 020620 | Sep 1991 | WO | |||
Other References
|
"Die ergonomische Tastatur. Konsequent in Richtung Zukunft gedacht"; (Marquardt); [Ergonomic Keyboard. Responsibly Conceived towards the Future]; 1987. . "Ergonomische Tastaturgestaltung"; (Fraunhofer-Institut); [Ergonomic Keyboard Configuration]. . "Report"; (STR), Technische Zeitschrift der Standard Telephon und Radio AG, vol. 7, No. 1, Jun. 1986.. |
Primary Examiner: Burke; Wallace R.
Assistant Examiner: Nunn; Freda S.
Attorney, Agent or Firm: Spencer, Frank & Schneider
Description
FIG. 1 is a front top and side perspective view of a keyboard showing our new design;
FIG. 2 is a front elevational view thereof;
FIG. 3 is a side elevational view thereof;
FIG. 4 is a side elevational view thereof opposite that shown in FIG. 3;
FIG. 5 is a rear elevational view thereof; and,
FIG. 6 is a top plan view thereof.
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