U.S. federal trademark · Serial No. 71511855 · Reg. No. 0441917
OUTDOOR ADVERTISING DISPLAY SIGNS MADE OF AN INTERMEDIATE CARDBOARD SHEET IMPREGNATED WITH A WATER-PROOFING MATERIAL HAVING BONDED THERETO A PAPER BACKING SHEET AND A PRINTED OR LITHOGRAPHED PAPER FACING SHEET, SAID BACKING AND FACING SHEETS HAVING BEEN MACHINE SURFACED WITH A WATERPROOFING COMPOSITION PRIOR TO BONDING TO THE INTERMEDIATE CARDBOARD SHEET, THE EDGES OF THE COMPOSITE STRUCTURE HAVING ADDED WATERPROOFING MATERIAL APPLIED THERETO
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