Replaceable developer unit

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

FIG. 1 is a right, front and top perspective view of a replaceable developer unit showing my new design;

FIG. 2 is a right side elevational view;

FIG. 3 is a left side elevational view;

FIG. 4 is a front elevational view;

FIG. 5 is a rear elevational view;

FIG. 6 is a top plan view; and

FIG. 7 is a bottom plan view.

Referenced Cited
U.S. Patent Documents
D241721 October 1976 Hourahine
D310240 August 28, 1990 Smith
D310844 September 25, 1990 Ohata
3749287 July 1973 Sanders
4491161 January 1, 1985 Tamura et al.
4733266 March 22, 1988 Watanabe
4803513 February 7, 1989 Nishise et al.
4878091 October 31, 1989 Morita et al.
Foreign Patent Documents
0107663 June 1985 JPX
0263980 December 1985 JPX
0067571 March 1987 JPX
0240579 October 1988 JPX
Patent History
Patent number: D321204
Type: Grant
Filed: Dec 21, 1989
Date of Patent: Oct 29, 1991
Assignee: Texas Instruments Incorporated (Dallas, TX)
Inventor: William E. Nelson (Dallas, TX)
Primary Examiner: Nelson C. Holtje
Assistant Examiner: Caron D. Veynar
Attorneys: James C. Kesterson, James T. Comfort, Melvin Sharp
Application Number: 7/454,494
Classifications
Current U.S. Class: D18/22; Toner Or Developer Container, Cassette, Etc. (D18/43)