Small drain flushing expandable plug

Description

FIG. 1 is a perspective view of a small drain flushing expandable plug, showing my new design; the sectioned hose showing indeterminate length thereof;

FIG. 2 is a side view thereof; the opposite side view, top and bottom views being mirror images thereof;

FIG. 3 is an end view thereof;

FIG. 4 is an end view opposite the end view of FIG. 3;

FIG. 5 is a side view showing the flexibility of the hose of the small drain flushing expandable plug; and,

FIG. 6 is a side view showing the small drain flushing expandable plug expanded in a pipe; the dotted lines showing the faucet, the pipe and fluid spray are environmental only and do not form a part of the invention .

Referenced Cited
U.S. Patent Documents
339405 September 1993 Bevacco et al.
3086540 April 1963 Anderson
3173449 March 1965 Custer et al.
Patent History
Patent number: D370055
Type: Grant
Filed: Jan 25, 1995
Date of Patent: May 21, 1996
Assignee: Cherne Industries Incorporated (Minneapolis, MN)
Inventor: Allen D. Mathison (Richfield, MN)
Primary Examiner: Louis S. Zarfas
Assistant Examiner: E. Watterson
Attorney: Anthony G. Eggink
Application Number: 0/34,018
Classifications