Mechanical writing device

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Description

FIG. 1 is a top plan view of a mechanical writing device showing my new design;

FIG. 2 is a front elevational view thereof;

FIG. 3 is a left end elevational view thereof;

FIG. 4 is a right end elevational view thereof; and

FIG. 5 is a bottom plan view thereof.

Referenced Cited
U.S. Patent Documents
D174250 March 1955 Daniels
D247246 February 14, 1978 Verona
D269189 May 31, 1983 Sakaoka
Other references
  • Art Brown Cat. 1973, p. 128D, Item No. 48. Koh-I-Noor Pencil Co. Cat. #59, 1960, p. 34, Item No. 5649.
Patent History
Patent number: D286549
Type: Grant
Filed: Oct 26, 1984
Date of Patent: Nov 4, 1986
Inventor: Ronald R. Erlendson (Alameda, CA)
Primary Examiner: George P. Word
Attorneys: Robert B. Chickering, Glen R. Grunewald
Application Number: 6/665,308