Ball-point pen

- Yoshinaga Corporation
Description

FIG. 1 is a front elevational view of a ball-point pen with the writing tip extended;

FIG. 2 is a left side elevational view thereof;

FIG. 3 is a rear elevational view thereof;

FIG. 4 is a top plan view thereof;

FIG. 5 is a bottom plan view thereof;

FIG. 6 is a front elevational view with the writing tip in a stored position;

FIG. 7 is a right side elevational view of FIG. 6; and,

FIG. 8 is a top plan view of FIG. 6.

Referenced Cited
U.S. Patent Documents
D73781 November 1927 Felger
D163779 June 1951 Ulvad
D304756 November 21, 1989 Leahan
1224552 May 1917 Kinnard
2765509 October 1956 Brehm
3441032 April 1969 Barrett
3471964 October 1969 Cherry et al.
3673909 July 1972 Bimkraut
4446178 May 1, 1984 Daugherty
4728212 March 1, 1988 Spector
4986683 January 22, 1991 Whitwright
5083881 January 28, 1992 Voshinaga
Foreign Patent Documents
247676 August 1911 DE2
Other references
  • Hong Kong Enterprise, Oct. 1981, p. 226 ad for New Century Enterprises, see Flower Topped Pen, right center.
Patent History
Patent number: D328310
Type: Grant
Filed: Apr 17, 1991
Date of Patent: Jul 28, 1992
Assignee: Yoshinaga Corporation
Inventor: Shigeo Yoshinaga (Tokyo)
Primary Examiner: Nelson C. Holtje
Assistant Examiner: Martha Thompson
Law Firm: Ostrolenk, Faber, Gerb & Soffen
Application Number: 7/686,804