USD232377S - Sewer and drain pipe cleaning machine - Google Patents

Description

Unitczd States Patent 0 ce 232,3"

Patented Aug. 13, 1974 232,377 SEWER AND DRAIN PIPE CLEANING MACHINE Henry G. Peterson, Des Moines, and Tom Grimes, Altoona, Iowa, assignors to Roto Rooter Corporation, West Des Moines, Iowa Filed Apr. 16, 1973, Ser. No. 351,264

Term of patent 14 years Int. Cl. DIS-O5 US. Cl. D4910 Fig. 3

Des. 232,377

men 2 fig. 6

FIG. 1 is a front perspective view of the sewer and References Cited drain pipe cleaning machine showing our new design; UNITED STATES PATENTS FIG. 2 is a front view; FIG. 3 s a rear ew; D. 152,651 2/1949 Rausch D4910 FIG.4 1sas1dev1ew; D. 158,605 5/1950 Marx D4910 FIG. 5 s a top plan v e 2,466,493 4/1949 Sketchley. FIG. 61s a bottom plan v1ew. 2,730,740 1/1956 OBri n We claim:

The ornamental design for a sewer and drain pipe WALLACE R BURKE P i Examiner cleaning machine, substantially as shown. G E UH AR A Assistant Examiner

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