Athletic court grid surface tile

Description

FIG. 1 is a top plan view of the athletic court grid surface tile showing my new design;

FIG. 2 is a front elevational view of FIG. 1;

FIG. 3 is a rear elevational view of FIG. 1;

FIG. 4 is a bottom plan view of FIG. 1;

FIG. 5 is an enlarged top fragmentary perspective view of the corner portion thereof; and,

FIG. 6 is an enlarged bottom fragmentary perspective view of the corner portion thereof.

Referenced Cited
U.S. Patent Documents
D21730 July 1892 Spadone
D215587 October 1969 Bogan, Jr.
236784 January 1881 Cowles
1076017 October 1913 Chase
2216250 October 1940 Nelson
2570076 October 1951 Sims
4436779 March 13, 1984 Menconi et al.
4468910 September 4, 1984 Morrison
Other references
  • 1981 Sweet's Catalogue File Section 5.19/FL p. 22 Cast Iron Floor Grid for Concrete Floors Middle of Page item 493 Type.
Patent History
Patent number: D327748
Type: Grant
Filed: Jun 19, 1987
Date of Patent: Jul 7, 1992
Inventor: Samuel Y. Dorfman, Jr. (Dallas, TX)
Primary Examiner: A. Hugo Word
Assistant Examiner: Doris Clark
Law Firm: Baker & Botts
Application Number: 7/63,843
Classifications
Current U.S. Class: Rectangular Or Square (D25/156)