HOLE-PATTERN MEMBER FOR USE IN CONNECTION WITH A CONCRETE FLOOR SLAB FORM
United States Patent 3469817

Inventors:
Bowden, George F.
Gilbert, John R.
Publication Date:
09/30/1969
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Assignee:
SYMONS MFG CO
Primary Class:
249/183
Other Classes:
425/182, 249/177, 425/DIG.044, 425/470, 249/134
International Classes:
E04G15/06; E04G15/00; B28B7/34; B28B7/30
US Patent References:
3157934Core member
3420491TIE ROD ASSEMBLY ADAPTED FOR USE IN A CONCRETE WALL FORM AND INCLUDING NOVEL ELASTOMERIC SPACER MEMBERS




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