Typing ribbon cartridge


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

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

FIG. 3 is a left side elevational view thereof; and,

FIG. 4 is a bottom plan view thereof.

Referenced Cited
U.S. Patent Documents
D275404 September 4, 1984 Hashimoto
D281258 November 5, 1985 Schiffmacher
D284978 August 5, 1986 Kusabuka
D285576 September 9, 1986 La Spesa
D290715 July 7, 1987 Omino et al.
D302438 July 25, 1989 Omino et al.
D302827 August 15, 1989 Fujita
D305548 January 16, 1990 Bellini
D323341 January 21, 1992 Bellini
Patent History
Patent number: D332796
Type: Grant
Filed: Jan 9, 1991
Date of Patent: Jan 26, 1993
Assignee: Ing. C. Olivetti & C., S.p.A. (Ivrea)
Inventors: Gian F. De Falco (Samone), Paolo Prevignano (Burolo), Francesco Tonengo (Chivasso)
Primary Examiner: Nelson C. Holtje
Assistant Examiner: Ann S. Hunt
Law Firm: Banner, Birch, McKie & Beckett
Application Number: 7/639,161
Current U.S. Class: Element Or Attachment (D18/12)