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
Other references
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 |
- 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
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)