Tile unit

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Description

FIG. 1 is a top plan view of a tile unit showing my new design;

FIG. 2 is a side elevational view thereof;

FIG. 3 is an enlarged top plan view showing a single tile unit showing in FIG. 1;

FIG. 4 is a cross-sectional view taken along line 4--4 of FIG. 3; and

FIG. 5 is a fragmentary top perspective view thereof.

Referenced Cited
U.S. Patent Documents
3232371 February 1966 Reichert et al.
3563834 February 1971 Vidan
4433521 February 28, 1984 Dietrich
Other references
  • 1981 Sweet's Publication Section 9.18/Vi p. 16 right of page, Versailles Senes item No. 9019III. 1981 Sweet's Publication Section 9.18/IM top right of p. 14, Vista item #4501.
Patent History
Patent number: D318739
Type: Grant
Filed: Jun 14, 1988
Date of Patent: Jul 30, 1991
Assignee: Watkins Manufacturing Corporation (Carlsbad, CA)
Inventor: Thomas J. Ryan (San Diego, CA)
Primary Examiner: A. Hugo Word
Assistant Examiner: Doris Clark
Attorneys: Myron B. Kapustij, Edgar A. Zarins, Malcolm L. Sutherland
Application Number: 7/206,625