Exhaust stack

Description

FIG. 1 is a perspective view of an exhaust stack showing my new design;

FIG. 2 is a bottom plan view thereof;

FIG. 3 is a rear elevation view thereof;

FIG. 4 is a left end elevation view thereof;

FIG. 5 is a top plan view thereof;

FIG. 6 is a right end elevation view thereof;

FIG. 7 is a front elevation view thereof; and

FIG. 8 is a cross-sectional view of FIG. 3 along section lines 8--8.

Referenced Cited
U.S. Patent Documents
D34909 August 1901 McVeety et al.
D111547 September 1938 McDerment
D124393 December 1940 Russell
D125644 March 1941 Russell
D153345 September 1949 Johnson
D174138 March 1955 Russo
D176874 February 1956 Mattke
D246038 October 11, 1977 Moller
1722005 July 1929 McCarthy
Patent History
Patent number: D254904
Type: Grant
Filed: Jan 30, 1978
Date of Patent: May 6, 1980
Inventor: Edward J. Swearingen (San Antonio, TX)
Primary Examiner: James R. Largen
Law Firm: Gunn & Lee
Application Number: 5/873,128
Classifications
Current U.S. Class: D12/81; Tail Pipe Extension Or Muffler (D12/194)
International Classification: D1207;