Filter signal
First Claim
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1. A FILTER INDICATOR COMPRISING A HOUSING, A DIAPHRAGM DIVIDING SAID HOUSING INTO A FIRST CHAMBER AND A SECOND CHAMBER, AN INLET PASSAGE COMMUNICATING WITH SAID FIRST CHAMBER ON ONE SIDE OF SAID DIAPHRAGM, AN INDICATOR ROD SLIDABLY MOUNTED IN A WALL OF SAID HOUSING AND EXTENDING INTO SAID SECOND CHAMBER, MAGNETICALLY ATTRACTED ELEMENTS CARRIED BY SAID DIAPHRAGM AND SAID ROD FOR NORMAL DIRECT, SURFACE-TO-SURFACE CONTACT ONE WITH THE OTHER, YIELDING MEANS DIRECTLY ENGAGING AT LEAST ONE OF SAID ELEMENTS AND URGING SAID MAGNETICALLY ATTRACHED ELEMENTS APART WHENEVER SAID ELEMENTS ARE OUT OF CONTACT WITH EACH OTHER AND URGING SAID ROD OUTWARDLY OF SAID HOUSING.
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1 Claim
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1. A FILTER INDICATOR COMPRISING A HOUSING, A DIAPHRAGM DIVIDING SAID HOUSING INTO A FIRST CHAMBER AND A SECOND CHAMBER, AN INLET PASSAGE COMMUNICATING WITH SAID FIRST CHAMBER ON ONE SIDE OF SAID DIAPHRAGM, AN INDICATOR ROD SLIDABLY MOUNTED IN A WALL OF SAID HOUSING AND EXTENDING INTO SAID SECOND CHAMBER, MAGNETICALLY ATTRACTED ELEMENTS CARRIED BY SAID DIAPHRAGM AND SAID ROD FOR NORMAL DIRECT, SURFACE-TO-SURFACE CONTACT ONE WITH THE OTHER, YIELDING MEANS DIRECTLY ENGAGING AT LEAST ONE OF SAID ELEMENTS AND URGING SAID MAGNETICALLY ATTRACHED ELEMENTS APART WHENEVER SAID ELEMENTS ARE OUT OF CONTACT WITH EACH OTHER AND URGING SAID ROD OUTWARDLY OF SAID HOUSING.
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Current AssigneeRobert Luchetta, Theodore B. Holliday, Walter J. Kudlaty
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Original AssigneeRobert Luchetta, Theodore B. Holliday, Walter J. Kudlaty
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InventorsKudlaty, Walter J., Holliday, Theodore B., ROBERT LUCHETTA
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Application NumberUS04/353,539Time in Patent Office781 DaysField of SearchUS Class Current200/83.00LCPC Class CodesB01D 35/143 Filter condition indicatorsH01H 35/34 actuated by diaphragm
