Pin detection means including electrically conductive and magnetically responsive circuit closing particles
First Claim
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6. A BOWLING PIN DETECTING DEVICE FOR DETECTING THE PRESENCE OF A STANDING BOWLING PIN IN A PREDETERMINED DETECTION AREA LARGER THAN THE BASE OF SAID BOWLING PIN, COMPRISING:
- AN UPPER PLATED MEMBER OF A SIZE AND SHAPE FITTING THE DETECTION AREA;
MEANS UNDERLYING SUBSTANTIALLY THE DESIRED AREA AND FORMING CHAMBERS DISTRIBUTED THROUGHOUT SAID AREA, CONTACT MEANS HAVING EXPOSED PORTIONS EXTENDING ACROSS THE UPPER ENDS OF SAID CHAMBERS, AND ELECTRICALLY CONDUCTIVE AND MAGNETICALLY RESPONSIVE
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6 Claims
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6. A BOWLING PIN DETECTING DEVICE FOR DETECTING THE PRESENCE OF A STANDING BOWLING PIN IN A PREDETERMINED DETECTION AREA LARGER THAN THE BASE OF SAID BOWLING PIN, COMPRISING:
- AN UPPER PLATED MEMBER OF A SIZE AND SHAPE FITTING THE DETECTION AREA;
MEANS UNDERLYING SUBSTANTIALLY THE DESIRED AREA AND FORMING CHAMBERS DISTRIBUTED THROUGHOUT SAID AREA, CONTACT MEANS HAVING EXPOSED PORTIONS EXTENDING ACROSS THE UPPER ENDS OF SAID CHAMBERS, AND ELECTRICALLY CONDUCTIVE AND MAGNETICALLY RESPONSIVE
- AN UPPER PLATED MEMBER OF A SIZE AND SHAPE FITTING THE DETECTION AREA;
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Current AssigneeDonald F. Uecker
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Original AssigneeDonald F. Uecker
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InventorsUecker, Donald F.
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Application NumberUS04/206,713Time in Patent Office1,093 DaysField of SearchUS Class Current473/101CPC Class CodesA63D 2005/048 Score sheetsA63D 5/04 Indicating devices
