Portable toilet building

- Thetford Corporation
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Description

FIG. 1 is a perspective view of a portable toilet building showing our new design;

FIG. 2 is a top view thereof;

FIG. 3 is a front perspective view thereof, with the door in an open position;

FIG. 4 is a front elevational view thereof;

FIG. 5 is a rear elevational view thereof;

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

FIG. 7 is a right elevational view thereof.

Referenced Cited
U.S. Patent Documents
D192112 January 1962 Kulka
D209192 November 1967 Harding
D210008 January 1968 Thompson
D214886 August 1969 Katona
D218156 July 1970 Johnson
D218157 July 1970 Johnson
D218929 October 1970 Johnson
D229828 January 1974 Hinkley
3074076 January 1963 Kersten
3629874 December 1971 Bellar
4031572 June 28, 1977 Harding
Patent History
Patent number: D250350
Type: Grant
Filed: Sep 19, 1977
Date of Patent: Nov 21, 1978
Assignee: Thetford Corporation (Ann Arbor, MI)
Inventors: Frank T. Sargent (Ann Arbor, MI), Samuel C. Crosby (Ann Arbor, MI)
Primary Examiner: James R. Largen
Attorney: Finn G. Olsen
Application Number: 5/834,530
Classifications
Current U.S. Class: D22/16
International Classification: D2503;