Cartridge for a drawing instrument or similar article

- Pentel Kabushiki Kaisha

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Description

FIG. 1 is a perspective view of a cartridge for a drawing instrument or similar article showing our new design;

FIG. 2 is a front elevational view thereof;

FIG. 3 is a top plan view thereof; and

FIG. 4 is a bottom plan view thereof.

Referenced Cited
U.S. Patent Documents
D196993 November 1963 Green
D214105 May 1969 Cline
3180320 April 1965 Groft
3234918 February 1966 Gigli
Patent History
Patent number: D257157
Type: Grant
Filed: Nov 9, 1978
Date of Patent: Sep 30, 1980
Assignee: Pentel Kabushiki Kaisha (Tokyo)
Inventors: Norio Yamada (Soka), Kunio Itoh (Tokyo)
Primary Examiner: Joel Stearman
Assistant Examiner: George P. Word
Attorney: Robert E. Burns
Application Number: 5/959,195
Classifications
Current U.S. Class: Element Or Attachment (D19/54); Longitudinal Striation (D19/49); Nib, Stylus Or Grip (D19/55)
International Classification: D1906;