Drawing pen
United States Patent D257857

Leuenberger, John P. (Bethlehem, PA)
Witz, Wolfgang (Easton, PA)
Application Number:
Publication Date:
Filing Date:
Koh-I-Noor Rapidograph, Inc. (Bloomsbury, NJ)
Primary Class:
Other Classes:
D19/928, D19/931
Field of Search:
D19/35, D19/36, D19/41-51, D19/54-57, 401/259, 401/260
View Patent Images:
US Patent References:
D249887Stylographic penOctober, 1978AnderkaD19/43
D244529PenMay, 1977GomezD19/51
D216282N/ADecember, 1969DanjczekD19/49

Other References:
Art Brown Corp. .COPYRGT.1973, p. 130.
Primary Examiner:
Stearman, Joel
Assistant Examiner:
Word, George P.
Attorney, Agent or Firm:
DAVID H. SEMMES (1054 31ST ST., N. W., WASHINGTON, DC, 20007, US)
1. The ornamental design for a drawing pen, as shown and described.


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.