USD186581S - Sewer cleaning machine - Google Patents

Sewer cleaning machine Download PDF

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Publication number
USD186581S
USD186581S US D186581 S USD186581 S US D186581S
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US
United States
Prior art keywords
cleaning machine
sewer cleaning
sewer
view
des
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Inventor
Karl J. Kollniann
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l Des. 186,581 Patented Nov. 10; 1959 United States Patent O "nce Des. 186,581
PAGE 2 Fig. 1 is a Side eleatonal view of a sewer cleanin machine embodying my new design;
g I claim:
The ornamental design for a sewer cleaning machine, as shown and described.
Fig. 2 is a reduced front elevational view thereof; and Fig. 3 is a top plan view thereof with the scraping member Shown in an alternate position References Cited 1n the le of this patent The dominant features of my design reside in the por- UNITED STATES PATENTS tions shown in full lines.
D. 181,537 Kollmann Nov. 26, 1957

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