Water closet tank

- Kohler Co.
Description

FIG. 1 is a top perspective view of a water closet tank showing our new design;

FIG. 2 is a front elevational view thereof, the rear elevational view being the mirror image thereof;

FIG. 3 is a left side elevational view thereof, the right side being the mirror image of the left side;

FIG. 4 is a top plan view thereof; and

FIG. 5 is a bottom plan view thereof.

The broken line representations of fitting holes in FIG. 5 are for purposes of illustration only.

Referenced Cited
U.S. Patent Documents
D26841 March 1897 Hammann
D45085 December 1913 Cochran
D186707 November 1959 Harrison
D198018 April 1964 Wadsworth
D215656 October 1969 Armstrong
D271326 November 8, 1983 Doman et al.
D275514 September 11, 1984 Enthoven
938468 November 1909 Franzheim
1701682 February 1929 Lawton
3654637 April 1972 Young
4162548 July 31, 1979 Groombridge et al.
Foreign Patent Documents
610955 June 1978 SUX
Other references
  • A three page Sarreguemines advertisement disclosing the Aqualine Tank, undated, admitted prior art. A one page Puravit advertisement showing the Lago Tank, undated, admitted prior art. A one page Keramag advertisement showing several Keramag Toilet Tanks, undated, admitted prior art. Page 9-13 from a Kohler Co. K-400 catalog, dated 1985, showing the Wellworth Toilet Tank. Page 71 from a Kohler Co. K-300 catalog, dated Apr. 1981, showing the Cayuga Toilet.
Patent History
Patent number: D298565
Type: Grant
Filed: Jan 16, 1986
Date of Patent: Nov 15, 1988
Assignee: Kohler Co. (Kohler, WI)
Inventor: Herbert V. Kohler, Jr. (Kohler, WI)
Primary Examiner: James R. Largen
Law Firm: Quarles & Brady
Application Number: 6/820,198
Classifications
Current U.S. Class: Tank Or Tank Cover (D23/313)