Vacuum flush toilet

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Description

FIG. 1 is a rear perspective view of a vacuum flush toilet showing my new design;

FIG. 2 is a top plan view thereof;

FIG. 3 is a bottom plan view thereof;

FIG. 4 is a right side elevational view thereof;

FIG. 5 is a left side elevational view thereof;

FIG. 6 is a front elevational view thereof; and,

FIG. 7 is a rear elevational view thereof.

Referenced Cited
U.S. Patent Documents
D16139 June 1885 Mansur
D44911 November 1913 Alpaugh
D114166 April 1939 Andersen et al.
D114167 April 1939 Andersen et al.
D198122 May 1964 Whitehouse
D292733 November 10, 1987 Robinson et al.
3811135 May 1974 Drouhard, Jr. et al.
4275470 June 30, 1981 Badger et al.
4357719 November 9, 1982 Badger et al.
4376315 March 15, 1983 Badger et al.
4521925 June 11, 1985 Chen et al.
Patent History
Patent number: D345596
Type: Grant
Filed: Apr 2, 1992
Date of Patent: Mar 29, 1994
Assignee: Norcan Aircraft Corporation (Santa Ana, CA)
Inventor: Steven J. Tyler (Riverside, CA)
Primary Examiner: James R. Largen
Law Firm: Knobbe, Martens, Olson & Bear
Application Number: 7/862,260
Classifications
Current U.S. Class: Water Closet, Bidet Or Bowl Therefor (D23/295)