Drawing pen

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Description

FIG. 1 is a perspective view of a drawing pen showing our new design; _

FIG. 2 is a right end elevational view of the barrel;

FIG. 3 is a left end elevational view of the cap; and

FIG. 4 is a side elevational view of the drawing pen with the cap portion shown in vertical cross-section along the longitudinal _axis, the opposite side being a mirror image thereof.

Referenced Cited
U.S. Patent Documents
D216282 December 1969 Danjczek
D244529 May 31, 1977 Gomez
D249887 October 10, 1978 Anderka
Other references
  • Art Brown Corp. .COPYRGT.1973, p. 130.
Patent History
Patent number: D257857
Type: Grant
Filed: Oct 11, 1978
Date of Patent: Jan 13, 1981
Assignee: Koh-I-Noor Rapidograph, Inc. (Bloomsbury, NJ)
Inventors: John P. Leuenberger (Bethlehem, PA), Wolfgang Witz (Easton, PA)
Primary Examiner: Joel Stearman
Assistant Examiner: George P. Word
Attorney: David H. Semmes
Application Number: 5/950,343
Classifications
Current U.S. Class: Longitudinal Striation (D19/49); Provision For Cap Over Writing Tip Only (D19/43)
International Classification: D1906;