Developing unit for copiers

- Canon
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Description

FIG. 1 is a front elevational view of developing unit for copiers showing my new design;

FIG. 2 is a rear elevational view thereof;

FIG. 3 is a top plan view thereof;

FIG. 4 is a bottom plan view thereof;

FIG. 5 is a left side elevational view thereof;

FIG. 6 is a right side elevational view thereof; and

FIG. 7 is a perspective view thereof.

Referenced Cited
U.S. Patent Documents
D238658 February 1976 Stone
D245761 September 13, 1977 Alseth et al.
D276916 December 25, 1984 Masaki
D277289 January 22, 1985 Sabin
D286297 October 21, 1986 Clowe et al.
D287023 December 2, 1986 Masaki
D298259 October 25, 1988 Masaki
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D298335 November 1, 1988 Masaki et al.
D298336 November 1, 1988 Masaki
D303541 September 19, 1989 Aoyoma
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D303543 September 19, 1989 Seki
484791 July 1989 Hagihara et al.
Foreign Patent Documents
0029277 February 1984 JPX
59-061845 April 1984 JPX
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0044780 February 1987 JPX
Patent History
Patent number: D313813
Type: Grant
Filed: Jul 12, 1988
Date of Patent: Jan 15, 1991
Assignee: Canon Kabushiki Kaisha (Tokyo)
Inventor: Hiroyuki Tokuda (Yokohama)
Primary Examiner: Bruce W. Dunkins
Assistant Examiner: Caron D. Vegnar
Law Firm: Fitzpatrick, Cella, Harper & Scinto
Application Number: 7/218,077