Writing instrument
Latest Pentel Kabushiki Kaisha Patents:
Description
FIG. 1 is a front elevational view of a writing instrument showing my new design;
FIG. 2 is a top plan view;
FIG. 3 is a right side elevational view;
FIG. 4 is a rear elevational view;
FIG. 5 is a bottom plan view; and
FIG. 6 is a top, right perspective view thereof, with the eraser member in an "in use position".
Referenced Cited
U.S. Patent Documents
D233631 | November 1974 | Defores |
D252934 | September 18, 1979 | Carre D19 57 |
Patent History
Patent number: D312837
Type: Grant
Filed: Dec 22, 1987
Date of Patent: Dec 11, 1990
Assignee: Pentel Kabushiki Kaisha (Tokyo)
Inventor: Shigeo Oka (Tokyo)
Primary Examiner: Bruce W. Dunkins
Assistant Examiner: Martha Thompson
Law Firm: Wenderoth, Lind & Ponack
Application Number: 7/136,637
Type: Grant
Filed: Dec 22, 1987
Date of Patent: Dec 11, 1990
Assignee: Pentel Kabushiki Kaisha (Tokyo)
Inventor: Shigeo Oka (Tokyo)
Primary Examiner: Bruce W. Dunkins
Assistant Examiner: Martha Thompson
Law Firm: Wenderoth, Lind & Ponack
Application Number: 7/136,637
Classifications