Purging pump for plumbing systems

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Description

FIG. 1 is a front elevation of a purging pump for plumbing systems showing my new design, the rear elevation being substantially identical;

FIG. 2 is a side elevation thereof, the opposite side being substantially identical;

FIG. 3 is a top plan view thereof;

FIG. 4 is a bottom plan view thereof;

FIG. 5 is a front elevation thereof showing the nozzle in an alternate position, the rear elevation being substantially identical;

FIG. 6 is a side elevation of FIG. 5, the opposite side being substantially identical;

FIG. 7 is a top plan view of FIG. 5; and

FIG. 8 is a bottom plan view of FIG. 5.

Referenced Cited
U.S. Patent Documents
D202979 November 1965 Krusche
D203345 December 1965 Sukert et al.
2939154 June 1960 Gasser
3644943 February 1972 Parodi fu Leonardo et al.
3952341 April 27, 1976 Cain
4186451 February 5, 1980 Ruo
4445236 May 1, 1984 Nadolny et al.
Patent History
Patent number: D286806
Type: Grant
Filed: Jul 16, 1984
Date of Patent: Nov 18, 1986
Assignee: Desmond C. Drummond (Suffolk)
Inventor: Desmond C. Drummond (Newmarket)
Primary Examiner: Wallace R. Burke
Assistant Examiner: Brian N. Vinson
Law Firm: Staas & Halsey
Application Number: 6/631,292
Classifications
Current U.S. Class: D23/15