Rotary copper pipe cleaner

Description

FIG. 1 is a perspective view of a rotary copper pipe cleaner embodying the design of the present invention;

FIG. 2 is a front elevational view thereof;

FIG. 3 is a rear elevational view thereof;

FIG. 4 is an end elevational view thereof;

FIG. 5 is the opposite end elevational view thereof;

FIG. 6 is a top plan view thereof; and,

FIG. 7 is a bottom plan view thereof.

The bristles are partially shown for ease of illustration.

Referenced Cited
U.S. Patent Documents
2287725 June 1942 Conte
3188674 June 1965 Hobbs
3290711 December 1966 Swanson
4550466 November 5, 1985 Schmitz
4573231 March 4, 1986 Stocksiefen et al.
4920600 May 1, 1990 Reinhart
Foreign Patent Documents
569632 April 1924 FRX
1214853 April 1960 FRX
Patent History
Patent number: D347523
Type: Grant
Filed: May 9, 1991
Date of Patent: Jun 7, 1994
Inventor: Roger Villeneuve (Milan, NH)
Primary Examiner: Wallace R. Burke
Assistant Examiner: Lavone D. Tabor
Attorney: Terry M. Gernstein
Application Number: 7/697,468
Classifications
Current U.S. Class: D/4102