Resources Contact Us Home Browse by: INVENTOR PATENT HOLDER PATENT NUMBER DATE     Keyboard D302270 Keyboard Patent Drawings: Inventor: Liljenquist Date Issued: July 18, 1989 Application: 06/824,360 Filed: January 30, 1986 Inventors: Liljenquist; Don C. (McLean, VA) Assignee: Primary Examiner: Lucas; Susan J. Assistant Examiner: Attorney Or Agent: Sixbey, Friedman, Leedom & Ferguson U.S. Class: D14/456 Field Of Search: D14/100; D14/106; D14/107; D14/114; D14/115; 340/365R; 340/365UC; 340/700; 340/711; 235/145R; 235/146; 200/5R; 200/5A; 400/100; 400/472; 400/473; 400/485; 400/487; 400/682 International Class: U.S Patent Documents: D114731; D208176; D221951; D266742; D275856; D281606; 606903; 886149; 1319687; 1931816; 2484886; 3044042; 3073427; 3633724; 3908109; 3927752; 4042090; 4307391; 4633227 Foreign Patent Documents: Other References: Abstract: Claim: The ornamental design for a keyboard, as shown and described. Description: FIG. 1 is a top plan view of a keyboard showing my new design; FIG. 2 is a front elevational view thereof; FIG. 3 is a rear elevational view thereof; FIG. 4 is a right side elevational view thereof, the left side being a mirror image. The broken lines in FIGS. 1 and 4 are shown for illustrative purposes only. * * * * *       Recently Added Patents Adjustable tool handle Rucksack applicator device Trailer hitch adaptor assembly Arrangement for improving the drying performance of an automatic dishwasher Concept-based content architecture Information recording disc, recording and/or reproducing device and method Connector pin   Randomly Featured Patents Integrated vascular device with puncture site closure component and sealant and methods of use Heat exchanger for recovering waste heat Gauge pointer and light guide structure Imaging apparatus and methods for near simultaneous observation of directly scattered light and multiply scattered light Managing instant messaging sessions on multiple devices Processing titaniferous ore to titanium dioxide pigment Reciprocating carriage drive system Strip material outer turn proximity switch detection apparatus Collapsible trailer Method for separating out solvent from a reaction mixture resulting from an isocyanate synthesis and for purifying this solvent © 2006. PatentGenius. All Rights Reserved.