Chemical treating block for a toilet tank

- Reckitt & Colman SA


FIG. 1 is a perspective view of a chemical treating block for a toilet tank showing my new design;

FIG. 2 is a plan view thereof, the side opposite being a mirror image of the side shown; and,

FIG. 3 is an elevational view seen from the top of FIG. 2.

Referenced Cited

U.S. Patent Documents

D260281 August 18, 1981 Rist
D311265 October 16, 1990 Mendenhall

Foreign Patent Documents

3504825 August 1986 DEX
286862 March 1928 GBX
807818 January 1959 GBX

Other references

  • Hong Kong Household 7.1984, p. 10, Dolphin Trays. Gentle Giants Fall 1984 Cat. p. 22 right, C Dolphin Magnet.

Patent History

Patent number: D325068
Type: Grant
Filed: Nov 9, 1989
Date of Patent: Mar 31, 1992
Assignee: Reckitt & Colman SA (Massy Cedex)
Inventor: Joel Gaury (Luisant)
Primary Examiner: Bernard Ansher
Assistant Examiner: C. Tuttle
Attorney: Frederick H. Rabin
Application Number: 7/433,722