Anti-vortex safety cover for a drain

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Description

FIG. 1 is a top plan view of an anti-vortex safety cover for a drain embodying my new design;

FIG. 2 is a bottom plan view thereof;

FIG. 3 is a side elevational view thereof; and,

FIG. 4 is a cross sectional view taken on line 4--4 of FIG. 1.

Referenced Cited
U.S. Patent Documents
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Patent History
Patent number: D333342
Type: Grant
Filed: Nov 21, 1990
Date of Patent: Feb 16, 1993
Inventor: Harry L. Newhard (St. Louis, MO)
Primary Examiner: James R. Largen
Law Firm: Kalish & Gilster
Application Number: 7/617,065