Stylus controlled sign with contact grid of parallel plates
First Claim
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1. A CONTACT GRID BOX FOR AN ELECTRIC WRITING BOARD COMPRISING IN COMBINATION:
- (A) SERIES OF PARALLEL CONTACT PLATES HAVING TRANSVERSE SLOTS FORMED IN THE SIDES THEREOF PLACED IN SIDE ABUTTING CONTACT, (B) INSULATED WIRES HAVING EXPOSED ENDS FITTED IN AND SUPPORTED BY THEIR INSULATION IN SAID SLOTS, (C) AND PLASTIC INSULATIVE MATERIAL IN THE ENDS OF SAID SLOTS SURROUNDING SAID EXPOSED ENDS OF SAID WIRES TO FORM A CONTINUOUS WRITING SURFACE GRID CONSISTING OF THE ENDS OF SAID WIRES AND THE CHECKERBOARD GRID CONTACT AREAS OF SAID PLATES FORMED BY SAID ENDS OF SAID SLOTS.
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1 Claim
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1. A CONTACT GRID BOX FOR AN ELECTRIC WRITING BOARD COMPRISING IN COMBINATION:
- (A) SERIES OF PARALLEL CONTACT PLATES HAVING TRANSVERSE SLOTS FORMED IN THE SIDES THEREOF PLACED IN SIDE ABUTTING CONTACT, (B) INSULATED WIRES HAVING EXPOSED ENDS FITTED IN AND SUPPORTED BY THEIR INSULATION IN SAID SLOTS, (C) AND PLASTIC INSULATIVE MATERIAL IN THE ENDS OF SAID SLOTS SURROUNDING SAID EXPOSED ENDS OF SAID WIRES TO FORM A CONTINUOUS WRITING SURFACE GRID CONSISTING OF THE ENDS OF SAID WIRES AND THE CHECKERBOARD GRID CONTACT AREAS OF SAID PLATES FORMED BY SAID ENDS OF SAID SLOTS.
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Current AssigneeAdolph Romero
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Original AssigneeAdolph Romero
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InventorsRomero, Adolph
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Application NumberUS04/193,838Time in Patent Office698 DaysField of SearchUS Class Current345/179CPC Class CodesH04N 3/12 by switched stationary form...
