USD156421S - Exhaust pipe extension - Google Patents
Exhaust pipe extension Download PDFInfo
- Publication number
- USD156421S USD156421S US D156421 S USD156421 S US D156421S
- Authority
- US
- United States
- Prior art keywords
- exhaust pipe
- pipe extension
- extension
- kaplan
- leonard
- Prior art date
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Description
Dec. 13, 1949 KAPLAN Des. 156,421
EXHAUST PIPE EXTENSION Filed Aug. 8, 1949 Patented Dec. 13, 1949 UNITED Des. 156,421
STATES PATENT oFncE EXHAUST PIPE EXTENSION Leonard Kaplan, Chicago, 111.
Application August 8, 1949, Serial No. 4,350
Term of patent 14 years I claim: The ornamental design for an exhaust pipe extension, as shown.
LEONARD KAPLAN.
REFERENCES CITED The following references are of record in the file of this patent:
UNITED STATES PATENTS Number Name Date 1,479,714 Herdle Jan. 1, 1924 2,466,307 DiRenna Apr. 19, 1949
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