US3332283A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Fluid metering system and apparatus
Assignee: Individual
•
Filing: 1965-02-11
•
Granted: 1967-07-25
•
Expires: 1985-02-11
Abstract
No abstract record available.
Inventors
- 👤 Michalowicz Joseph Casimir
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-24 18:15
CPC Classifications
G; G01; G01F; G01F9/00; G01F9/001; G01F9/005; G01F23/00; G01F23/30; G01F23/64; G01F23/68; G01F23/70; G01F23/706
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
117 words
IN A LIQUID METERING APPARATUS HAVING A FLUID INLET PASSAGE AND A FLUID OUTLET PASSAGE, MEANS PROVIDING A PLURALITY OF MEASURING CHAMBERS OF FIXED, PREDETERMINED VOLUMES, VALVE MEANS ACTUATABLE TO CONNECT SAID MEASURING CHAMBERS TO SAID INLET AND OUTLET PASSAGES FOR CYCLICALLY FILLING AND EMPTYING SAID MEASURING CHAMBERS, DETECTING MEANS FOR SENSING CHANGES IN THE LEVEL OF LIQUID IN EACH OF SAID CHAMBERS, AND MEANS RESPONSIVE TO THE SENSING OF PREDETERMINED LIQUID LEVEL CHANGES BY SAID DETECTING MEANS FOR SUCCESSIVELY CONNECTING SAID MEASURING CHAMBERS TO DISCHARGE LIQUID THEREIN INTO SAID OUTLET PASSAGE AND FOR SUCCESSIVELY CONNECTING SAID MEASURING CHAMBERS TO SAID INLET PASSAGE TO BE FILLED WITH LIQUID THEREFROM DURING THE INTERVALS SAID CHAMBERS ARE DISCONNECTED FROM
Claim 2
Dependent Claim
117 words
IN A LIQUID METERING APPARATUS HAVING A FLUID INLET PASSAGE AND A FLUID OUTLET PASSAGE, MEANS PROVIDING A PLURALITY OF MEASURING CHAMBERS OF FIXED, PREDETERMINED VOLUMES, VALVE MEANS ACTUATABLE TO CONNECT SAID MEASURING CHAMBERS TO SAID INLET AND OUTLET PASSAGES FOR CYCLICALLY FILLING AND EMPTYING SAID MEASURING CHAMBERS, DETECTING MEANS FOR SENSING CHANGES IN THE LEVEL OF LIQUID IN EACH OF SAID CHAMBERS, AND MEANS RESPONSIVE TO THE SENSING OF PREDETERMINED LIQUID LEVEL CHANGES BY SAID DETECTING MEANS FOR SUCCESSIVELY CONNECTING SAID MEASURING CHAMBERS TO DISCHARGE LIQUID THEREIN INTO SAID OUTLET PASSAGE AND FOR SUCCESSIVELY CONNECTING SAID MEASURING CHAMBERS TO SAID INLET PASSAGE TO BE FILLED WITH LIQUID THEREFROM DURING THE INTERVALS SAID CHAMBERS ARE DISCONNECTED FROM
References Cited (Backward Citations)
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Cited
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Cited
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Cited
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Cited
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USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1970-07-24 | 1971-01-23 | 1971-07-25 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1974-07-24 | 1975-01-23 | 1975-07-25 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1978-07-24 | 1979-01-23 | 1979-07-25 | $7700.00 | Window Closed / Lapsed |