Patent US3125881A successfully refreshed from Google Patents.
US3125881A
Expired / Lapsed
US
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Rate of flow meter
Assignee: —
•
Filing: —
•
Granted: 1964-03-24
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Expires: 1981-03-24
Abstract
No abstract record available.
Inventors
No inventors recorded.
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-30 22:47
CPC Classifications
G; G01; G01F; G01F3/00; G01F3/36; G01F3/38
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
135 words
A RATE OF FLOW METER COMPRISING A VESSEL HAVING AN INLET CONNECTED TO INTRODUCE A CONTINUOUS STREAM OF LIQUID INTO THE UPPER PART OF THE VESSEL, AND AN OUTLET; A VALVE IN THE OUTLET; MEANS TO OPEN THE VALVE WHEN A PREDETERMINED VOLUME OF LIQUID ACCUMULATES IN THE VESSEL; MEANS FOR CAUSING THE LIQUID TO FLOW THROUGH THE OUTLET FASTER THAN IT ENTERS THROUGH TE INLET; MEANS FOR CLOSING THE VALVE WHEN THE VOLUME OF LIQUID IN THE VESSEL DROPS TO A PREDETERMINED AMOUNT THEREBY CAUSING THE VESSEL TO ACCUMULATE A PREDETERMINED VOLUME OF LIQUID EACH TIME THE OUTLET VALVE IS CLOSED; AND MEANS FOR MEASURING THE TOTAL AMOUNT OF TIME THE VALVE IS CLOSED AND THE NUMBER OF TIMES THE VALVE IS OPENED THEREBY PROVIDING THE RATE OF FLOW OF LIQUID INTO THE VESSEL.
Claim 2
Dependent Claim
135 words
A RATE OF FLOW METER COMPRISING A VESSEL HAVING AN INLET CONNECTED TO INTRODUCE A CONTINUOUS STREAM OF LIQUID INTO THE UPPER PART OF THE VESSEL, AND AN OUTLET; A VALVE IN THE OUTLET; MEANS TO OPEN THE VALVE WHEN A PREDETERMINED VOLUME OF LIQUID ACCUMULATES IN THE VESSEL; MEANS FOR CAUSING THE LIQUID TO FLOW THROUGH THE OUTLET FASTER THAN IT ENTERS THROUGH TE INLET; MEANS FOR CLOSING THE VALVE WHEN THE VOLUME OF LIQUID IN THE VESSEL DROPS TO A PREDETERMINED AMOUNT THEREBY CAUSING THE VESSEL TO ACCUMULATE A PREDETERMINED VOLUME OF LIQUID EACH TIME THE OUTLET VALVE IS CLOSED; AND MEANS FOR MEASURING THE TOTAL AMOUNT OF TIME THE VALVE IS CLOSED AND THE NUMBER OF TIMES THE VALVE IS OPENED THEREBY PROVIDING THE RATE OF FLOW OF LIQUID INTO THE VESSEL.
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) | 1967-03-24 | 1967-09-23 | 1968-03-24 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1971-03-24 | 1971-09-23 | 1972-03-24 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1975-03-24 | 1975-09-23 | 1976-03-24 | $7700.00 | Window Closed / Lapsed |