Air eliminator for plumbing systems

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Description

FIG. 1 is a perspective view taken from the top, one end and one side of an air eliminator for plumbing systems showing my new design;

FIG. 2 is an elevational view taken from one side thereof, the opposite side being the same as the side shown;

FIG. 3 is an elevational view taken from one end thereof, the opposite end being a mirror image of the end shown; and

FIG. 4 is a top plan view thereof.

Referenced Cited
U.S. Patent Documents
D154966 August 1949 Walsh
D209266 November 1967 Brown
D272262 January 17, 1984 Honma
2896862 July 1959 Bedo
3146796 September 1964 Everett
3833013 September 1974 Leonard
3952765 April 27, 1976 Kimura
4388944 June 21, 1983 Honma et al.
Patent History
Patent number: D287997
Type: Grant
Filed: Aug 1, 1984
Date of Patent: Jan 27, 1987
Inventor: Keizo Honma (Minami 15 Jo, Chuo-ku, Sapporo)
Primary Examiner: James R. Largen
Law Firm: Browdy and Neimark
Application Number: 6/637,502
Classifications
Current U.S. Class: D23/46; D23/2