Title: Implement for cleaning tubular culverts

Abstract: An implement for cleaning storm sewers and culverts having a tubular configuration has a carriage assembly with radially extending cutting means at a forward end and a corresponding radially extending plunger means in spaced relationship therewith at a rearward end, together with means for wetting dirt in the culvert in advance of the cutting means and further means for wetting the dirt in advance of the plunger means.

Do you think this is a good invention? Vote now:

Votes so far: For:(0) Against:(0)
Other info:

Inventors: Clifford, Jack R. (Alton, IL, US)

Application Number: 042548
Filing Date: 1979-05-25
Publication_date: 1980-08-26
Assignee:
Primary Class(es): 15/104.31
Other Classes:
US Patent Ref:

1132691	Mar, 1915	Sieben	15/104.
1344249	Jun, 1920	Stewart	15/104.

Other Refs:
Primary Examiner: Roberts, Edward L.
Assistant Examiner:
Attorney: Fishel; Grace J.