Partially shell encased swimming pool chemical tablet

- Olin Corporation
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Description

FIG. 1 is a top perspective view of a partially shell encased swimming pool chemical tablet according to my new design;

FIG. 2 is a top plan view thereof, the bottom being identical;

FIG. 3 is a side elevational view thereof, all sides being identical; and,

FIG. 4 is a partial cross-sectional view thereof.

Referenced Cited
U.S. Patent Documents
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Patent History
Patent number: D335704
Type: Grant
Filed: Mar 27, 1990
Date of Patent: May 18, 1993
Assignee: Olin Corporation (Cheshire, CT)
Inventor: John M. Casberg (Cheshire, CT)
Primary Examiner: Wallace R. Burke
Assistant Examiner: M. H. Tung
Attorney: Bruce E. Burdick
Application Number: 7/503,590
Classifications
Current U.S. Class: Tablet Or Caplet (1) (D24/101); Treatment (D23/207)