Non-slip surface unit for bathtubs or the like

- Kohler Co.
Description

FIG. 1 is a top plan view of a non-slip surface unit for bathtubs or the like showing a bath mat, the bottom being plain and unornamented;

FIG. 2 is a side elevational view taken on line 2--2 of FIG. 1, the opposite side being a mirror image of the side shown;

FIG. 3 is an end elevational view taken on line 3--3 of FIG. 1;

FIG. 4 is an end elevational view taken on line 4--4 of FIG. 1;

FIG. 5 is a top plan view of a second embodiment of the non-slip surface unit for bathtubs or the like showing bathtub treads, the bottom being the same as the top shown;

FIG. 6 is a side elevational view taken on line 6--6 of FIG. 5, the opposite side being a mirror image of the side shown;

FIG. 7 is an end elevational view taken on line 7--7 of FIG. 5;

FIG. 8 is an end elevational view taken on line 8--8 of FIG. 5;

FIG. 9 is a top plan view of a third embodiment of the non-slip surface unit for bathtubs or the like showing a bathtub floor panel, the bottom being plain and unornamented;

FIG. 10 is a side elevational view taken on line 10--10 of FIG. 9, the opposite side being a mirror image of the side shown;

FIG. 11 is an end elevational view taken on line 11--11 of FIG. 9;

FIG. 12 is an end elevational view taken on line 12--12 of FIG. 9;

FIG. 13 is an enlarged cross sectional view taken on line 13--13 of FIG. 9;

FIG. 14 is a top plan view of a fourth embodiment of the non-slip surface unit for bathtub floor panel, the bottom being plain and unornamented;

FIG. 15 is a side elevational view taken on line 15--15 of FIG. 14, the opposite side being the same as the side shown;

FIG. 16 is an end elevational view taken on line 16--16 of FIG. 14; and

FIG. 17 is an end elevational view taken on line 17--17 of FIG. 14; and

FIG. 18 is an enlarged cross-sectional view taken on line 18--18 of FIG. 14.

The fragmentary broken lines representation of the outline of a bathtub in FIGS. 9 and 14 are for purposes of illustration only and form no part of the claimed design.

Referenced Cited
U.S. Patent Documents
D82857 December 1930 Steele
D85859 December 1931 Capouch
D222499 October 1971 Wells
D223278 April 1972 Mallonn
D223279 April 1972 Taylor
D227529 July 1973 Huggins
D228133 August 1973 Lippert et al.
D228338 September 1973 O'Neil et al.
D229000 November 1973 O'Neil et al.
D230546 March 1974 Dean
D230547 March 1974 Dean
D230805 March 1974 Howard
D230806 March 1974 Penson
D230807 March 1974 Penson
D232146 July 1974 Dean
D232995 October 1974 Molzen
D238074 December 1975 Gruber
D243334 February 8, 1977 Stairs, Jr.
D243692 March 15, 1977 Gruber
D243693 March 15, 1977 Gruber
D253547 November 27, 1979 Beddome et al.
D267813 February 1, 1983 Lippert et al.
D286671 November 11, 1986 Griffiths
2079739 May 1937 Houseweller
2084852 June 1937 Lochman
2122245 June 1938 Callahan
2292368 August 1942 Gordon
2449323 September 1948 Richterkessing
2522765 September 1950 Sandberg
2809380 October 1957 Gruen
3124811 March 1964 Treacy
3836420 September 1974 Freese
3942199 March 9, 1976 Kollsman
3999224 December 28, 1976 Kollsman
4511621 April 16, 1985 Thomas et al.
Other references
  • A one page Allia advertisement, undated, admitted prior art, showing the "Aurelia" grip pattern. A one page Ideal-Standard advertisement, undated, admitted prior art, entitled "Shower Tray 90.times.90 CM". A one page Allia advertisement, undated, admitted prior art, showing the "Cressida" grip pattern. P. 11 of the Kohler Co. "K-400 Catalog", dated Oct. 1985, admitted prior art, showing the Safeguard grip pattern.
Patent History
Patent number: D309999
Type: Grant
Filed: Apr 30, 1986
Date of Patent: Aug 21, 1990
Assignee: Kohler Co. (Kohler, WI)
Inventor: Thomas W. Hillebrand (Janesville, WI)
Primary Examiner: James R. Largen
Law Firm: Quarles & Brady
Application Number: 6/858,300
Classifications
Current U.S. Class: D/6583; D/6584; Bathtub Or Shower (D23/304)