Patent US2735904A successfully refreshed from Google Patents.
US3223291A
Expired / Lapsed
US
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Measured charge dispenser
Assignee: Manley Inc
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Filing: 1964-08-07
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Granted: 1965-12-14
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Expires: 1984-08-07
Abstract
No abstract record available.
Inventors
- 👤 Frank J Thomas
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-25 21:30
CPC Classifications
G; G05; G05D; G05D7/00; G05D7/01; G05D7/0106; G05D7/0113; G01; G01F; G01F11/00; G01F11/02; G01F11/08
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
192 words
A FLUID CONTROL APPARATUS COMPRISING: A CLOSED RECEPTACLE HAVING A PAIR OF SPACED OPENINGS THERETHROUGH; A MEMBER MOUNTED WITHIN SAID RECEPTACLE BETWEEN SAID OPENINGS FOR MOVEMENT ALTERNATELY TOWARD THE LATTER AND DISPOSED FOR DIVIDING THE RECEPTACLE INTO A PAIR OF COMPARTMENTS; FIRST CONDUIT MEANS FOR COUPLING ONE OF SAID OPENINGS TO A SOURCE OF FLUID UNDER PRESSURE TO THEREBY PERMIT FLUID TO BE DIRECTED INTO THE COMPARTMENT COMMUNICATING WITH SAID ONE OPENING SECOND CONDUIT MEANS PLACING SAID COMPARTMENT IN FLUID COMMUNICATION WITH EACH OTHER; VALVE MEANS COUPLED WITH SAID FIRST CONDUIT MEANS AND SAID SECOND CONDUIT MEANS FOR ALTERNATELY BLOCKING THE FLOW OF FLUID THROUGH THE SECOND CONDUIT MEANS AS THE FLOWS THROUGH SAID FIRST CONDUIT MEANS AND INTO THE COMPARTMENT COMMUNICATING WITH SAID ONE OPENING WHEN SAID VALVE MEANS IS IN A FIRST OPERATIVE CONDITION AND BLOCKING THE FLOW OF FLUID THROUGH SAID FIRST CONDUIT MEANS AS FLUID FLOWS THROUGH SAID SECOND CONDUIT MEANS WHEN SAID VALVE MEANS IS IN A SECOND OPERATIVE CONDITION; AND MEANS RESPONSIVE TO THE MOVEMENT OF SAID MEMBER FOR CHANGING THE OPERATION OF SAID VALVE MEANS FROM ONE OF SAID CONDITIONS TO THE OTHER CONDITION, WHERE-
Claim 2
Dependent Claim
192 words
A FLUID CONTROL APPARATUS COMPRISING: A CLOSED RECEPTACLE HAVING A PAIR OF SPACED OPENINGS THERETHROUGH; A MEMBER MOUNTED WITHIN SAID RECEPTACLE BETWEEN SAID OPENINGS FOR MOVEMENT ALTERNATELY TOWARD THE LATTER AND DISPOSED FOR DIVIDING THE RECEPTACLE INTO A PAIR OF COMPARTMENTS; FIRST CONDUIT MEANS FOR COUPLING ONE OF SAID OPENINGS TO A SOURCE OF FLUID UNDER PRESSURE TO THEREBY PERMIT FLUID TO BE DIRECTED INTO THE COMPARTMENT COMMUNICATING WITH SAID ONE OPENING SECOND CONDUIT MEANS PLACING SAID COMPARTMENT IN FLUID COMMUNICATION WITH EACH OTHER; VALVE MEANS COUPLED WITH SAID FIRST CONDUIT MEANS AND SAID SECOND CONDUIT MEANS FOR ALTERNATELY BLOCKING THE FLOW OF FLUID THROUGH THE SECOND CONDUIT MEANS AS THE FLOWS THROUGH SAID FIRST CONDUIT MEANS AND INTO THE COMPARTMENT COMMUNICATING WITH SAID ONE OPENING WHEN SAID VALVE MEANS IS IN A FIRST OPERATIVE CONDITION AND BLOCKING THE FLOW OF FLUID THROUGH SAID FIRST CONDUIT MEANS AS FLUID FLOWS THROUGH SAID SECOND CONDUIT MEANS WHEN SAID VALVE MEANS IS IN A SECOND OPERATIVE CONDITION; AND MEANS RESPONSIVE TO THE MOVEMENT OF SAID MEMBER FOR CHANGING THE OPERATION OF SAID VALVE MEANS FROM ONE OF SAID CONDITIONS TO THE OTHER CONDITION, WHERE-
References Cited (Backward Citations)
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1968-12-13 | 1969-06-14 | 1969-12-14 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1972-12-13 | 1973-06-14 | 1973-12-14 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1976-12-13 | 1977-06-14 | 1977-12-14 | $7700.00 | Window Closed / Lapsed |