Partially shell encased swimming pool chemical tablet

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.

Claims

The ornamental design for a partially shell encased swimming pool chemical tablet, as shown and described.

---

Inventors:	Casberg; John M. (Cheshire, CT)
Assignee:	Olin Corporation (Cheshire, CT)
Appl. No.:	07/503,590
Filed:	March 27, 1990

---

Current U.S. Class:	D24/101; D23/207
Field of Search:	;D28/1-3,8.1,8.2 ;206/.5 ;210/169,198.1 ;424/451,457,464-465,468-470,472,474

---

References Cited [Referenced By]

---

U.S. Patent Documents

D207039	February 1967	Sillett
D258091	January 1981	Reed et al.
D283649	April 1986	Casberg
D288226	February 1987	Sangster et al.
D301762	June 1989	Oshlack
1774258	August 1930	English
2711346	June 1955	Irwin et al.
3139181	June 1964	Kobernick
3856932	December 1974	May
4111201	September 1978	Theeuwes et al.
4217331	August 1980	Schaub
4333752	June 1982	Thies et al.
4350666	September 1982	Klutts
4374563	February 1983	Alexander
4450957	May 1984	Cohen
4450958	May 1984	Prasad
4627851	December 1986	Wong et al.
4704118	November 1987	Eckenhoff
4713248	December 1987	Kjorn et al.
4755180	July 1988	Ayer et al.
4793997	December 1988	Drake et al.
4915954	April 1990	Ayer et al.

Primary Examiner: Burke; Wallace R.
Assistant Examiner: Tung; M. H.
Attorney, Agent or Firm: Burdick; Bruce E.