Apparatus for monitoring dispensing of liquid
First Claim
1. IN APPARATUS FOR DELIVERING A SERIES OF DROPS OF LIQUID, MEANS DEFINING A SELECTED DROP RATE, FLOW CONTROL MEANS CONTROLLING DELIVERY OF THE DROPS RESPONSIVE TO THE FIRST NAMED MEANS, THE LATTER NAMED MEANS BEING OPERABLE BETWEEN ACTIVE AND INACTIVE STATES TO RESPECTIVELY DELIVER OR ARREST LIQUID BEING DELIVERED, MEANS RESPECTIVELY COUPLED TO SENSED INITIATION OF SAID ACTIVE STATE FOR DEACTIVATING SAID FLOW CONTROL MEANS AFTER A PREDETERMINED PERIOD OF ELAPSED TIME FOR SAID INITIATION, AND MEANS NORMALLY OPERATIVE TO DE-ACTIVATE SID FLOW CONTROL MEANS WITHIN SAID PERIOD, WHEREBY THE PENUULTIMATE NAMED MEANS SERVES TO SAFEGURAD AGAINST UNDULY PROLONGED ACTIVATION OF THE FLOW CONTROL MEANS IN THE EVENT OF MALFUNCTIONING BY THE LAST NAMED MEANS.
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Accused Products
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1 Claim
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1. IN APPARATUS FOR DELIVERING A SERIES OF DROPS OF LIQUID, MEANS DEFINING A SELECTED DROP RATE, FLOW CONTROL MEANS CONTROLLING DELIVERY OF THE DROPS RESPONSIVE TO THE FIRST NAMED MEANS, THE LATTER NAMED MEANS BEING OPERABLE BETWEEN ACTIVE AND INACTIVE STATES TO RESPECTIVELY DELIVER OR ARREST LIQUID BEING DELIVERED, MEANS RESPECTIVELY COUPLED TO SENSED INITIATION OF SAID ACTIVE STATE FOR DEACTIVATING SAID FLOW CONTROL MEANS AFTER A PREDETERMINED PERIOD OF ELAPSED TIME FOR SAID INITIATION, AND MEANS NORMALLY OPERATIVE TO DE-ACTIVATE SID FLOW CONTROL MEANS WITHIN SAID PERIOD, WHEREBY THE PENUULTIMATE NAMED MEANS SERVES TO SAFEGURAD AGAINST UNDULY PROLONGED ACTIVATION OF THE FLOW CONTROL MEANS IN THE EVENT OF MALFUNCTIONING BY THE LAST NAMED MEANS.
Specification
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Current AssigneeJohn E. Poulsen, Thomas H. Corbin
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Original AssigneeJohn E. Poulsen, Thomas H. Corbin
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InventorsCorbin, Thomas H., Poulsen, John E.
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Application NumberUS04/474,076Time in Patent Office306 DaysField of SearchUS Class Current222/59CPC Class CodesA61M 5/1689 Drip countersG05D 7/0635 by action on throttling mea...Y10S 128/13 Infusion monitoring
