Grid
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FIG. 1 is a perspective view of a grid showing our new design;
FIG. 2 is a top plan view thereof;
FIG. 3 is a bottom plan view thereof;
FIG. 4 is a front elevational view thereof;
FIG. 5 is a rear elevational view thereof;
FIG. 6 is a right side elevational view thereof;
FIG. 7 is a left side elevational view thereof;
FIG. 8 is a cross-sectional view taken along line 8--8 of FIG. 2;
FIG. 9 is a cross-sectional view taken along line 9--9 of FIG. 2.
FIG. 10 is a perspective view of a second embodiment of our new design of FIGS. 1-9;
FIG. 11 is a top plan view of FIG. 10;
FIG. 12 is a bottom plan view of FIG. 10;
FIG. 13 is a front elevational view of FIG. 10;
FIG. 14 is a rear elevational view of FIG. 10;
FIG. 15 is a right side elevational view of FIG. 10;
FIG. 16 is a left side elevational view of FIG. 10;
FIG. 17 is a cross-sectional view taken along line 17--17 of FIG. 11; and,
FIG. 18 is a cross-sectional view taken along line 18--18 of FIG. 11.
D227028 | May 1973 | Behm |
D286497 | November 4, 1986 | Daenen et al. |
1732910 | October 1929 | Possons |
2655283 | October 1953 | Mocdt |
Type: Grant
Filed: Dec 6, 1990
Date of Patent: Jul 20, 1993
Assignee: Dart Industries Inc. (Deerfield, IL)
Inventors: Brian L. Newton (Woonsocket, RI), Takeshi Fukuda (Osaka)
Primary Examiner: Alan P. Douglas
Assistant Examiner: Caron D. Veynar
Attorney: John A. Doninger
Application Number: 7/624,917