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
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;
International Classification: D1207;