Drafting plotter
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Description
FIG. 1 is a perspective view of a drafting plotter showing our new design;
FIG. 2 is a front elevational view thereof;
FIG. 3 is a top plan view thereof;
FIG. 4 is rear elevational view thereof;
FIG. 5 is a left side elevational view thereof;
FIG. 6 is a right side elevational view thereof; and
FIG. 7 is a bottom plan view thereof.
Referenced Cited
U.S. Patent Documents
Other references
D273240 | March 27, 1984 | Murray |
D288447 | February 24, 1987 | Otsuka |
2686099 | August 1954 | Bomberger et al. |
2703468 | March 1955 | Sheinwald |
4419672 | December 6, 1983 | Hird |
4779348 | October 25, 1988 | Levy |
- Hewlett Packard-Aug. 1985 Drafting Plotters-Cover. Versatec-Jan. 1986-Printer/Plotter-Cover.
Patent History
Patent number: D306157
Type: Grant
Filed: Feb 26, 1987
Date of Patent: Feb 20, 1990
Assignee: Hewlett-Packard Company (Palo Alto, CA)
Inventors: Barton D. Davis (Fort Bragg, CA), David W. Leong (San Diego, CA), Richard N. Tverdoch (Leucadia, CA)
Primary Examiner: Susan J. Lucas
Assistant Examiner: Freda S. Nunn
Attorney: William J. Bethurum
Application Number: 7/19,404
Type: Grant
Filed: Feb 26, 1987
Date of Patent: Feb 20, 1990
Assignee: Hewlett-Packard Company (Palo Alto, CA)
Inventors: Barton D. Davis (Fort Bragg, CA), David W. Leong (San Diego, CA), Richard N. Tverdoch (Leucadia, CA)
Primary Examiner: Susan J. Lucas
Assistant Examiner: Freda S. Nunn
Attorney: William J. Bethurum
Application Number: 7/19,404
Classifications
Current U.S. Class:
D14/107