Typing ribbon cartridge

Skip to: Description  ·  References Cited  · Patent History  ·  Patent History
Description

FIG. 1 is a top, front and right side perspective view of a typing ribbon cartridge showing my new design;

FIG. 2 is a rear and left side perspective view thereof;

FIG. 3 is a right side elevational view thereof; and

FIG. 4 is a bottom plan view thereof.

Referenced Cited
U.S. Patent Documents
3854565 December 1974 Kupferschmidt et al.
4406553 September 27, 1983 Nally et al.
4601594 July 22, 1986 Hayashi et al.
Other references
  • IBM Technical Disclosure Bulletin, vol. 25, No. 12, May 1983. B. A. Pargh Catalog: Sep. 1985; #12996421BM, Quietwriter Printer Non Correcting Ribbon, lower right.
Patent History
Patent number: D322272
Type: Grant
Filed: Dec 21, 1988
Date of Patent: Dec 10, 1991
Assignee: Ing. C. Olivetti & C., S.p.A. (Ivrea)
Inventor: Enrico Maina (Leini)
Primary Examiner: Nelson C. Holtje
Assistant Examiner: Caron D. Veynar
Law Firm: Banner, Birch, McKie & Beckett
Application Number: 7/287,998
Classifications
Current U.S. Class: Element Or Attachment (D18/12)