Patent US3246757A successfully refreshed from Google Patents.
US3246757A
Expired / Lapsed
US
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Separator and warning system therefor
Assignee: Individual
•
Filing: 1962-01-30
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Granted: 1966-04-19
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Expires: 1982-01-30
Abstract
No abstract record available.
Inventors
- 👤 John S Martin
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-27 18:48
CPC Classifications
F; F16; F16K; F16K31/00; F16K31/12; F16K31/18; F16K31/20; F16K31/24; F16K31/26; Y; Y10; Y10T; Y10T137/00; Y10T137/8158; Y10T137/8342
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
172 words
A SYSTEM FOR SEPARATION OF SUBSTANTIALLY IMMISCIBLE LIQUIDS OF DIFFERENT DENSITIES AND PREVENTING OVERFLOW OF SAID LIQUIDS, COMPRISING; A CONTAINER FOR RECEIVING A MIXTURE OF SAID LIQUIDS, AN INLET FOR INTRODUCING SAID MIXTURE INTO THE CONTAINER, A FLOAT IN SAID CONTAINER HAVING A LEVER ASSOCIATED THEREWITH, MEANS FOR PIVOTING SAID LEVER INTERMEDIATE ITS ENDS, ELECTRICAL CIRCUIT MEANS INCLUDING AN INDICATING DEVICE OPERATIVELY CONNECTED WITH SAID LEVER BY A PRESSURE ROD, MEANS INCLUDING A SPRING ELEMENT URGING SAID ROD AWAY FROM SAID INDICATING DEVICE, VALVE MEANS IN SAID CONTAINER INLET, LINKAGE MEANS COUPLED TO SAID VALVE AND LEVER BEING CONSTRUCTED AND ARRANGED WHEREBY MOVEMENT OF SAID FLOAT TO A PREDETERMINED POSITION CAUSED BY THE CHANGE IN LEVEL OF THE LIQUID MIXTURE IN SAID CONTAINER SIMULTANEOUSLY CLOSES SAID VALVE IN SAID INLET AND URGES SAID PRESSURE ROD TOWARD SAID INDICATING DEVICE THEREBY ACTUATING SAID DEVICE; SUCTION MEANS FOR SKIMMING OFF THE LIQUID OF LEAST DENSITY FROM SAID CONTAINER, AND OUTLET MEANS AT THE BOTTOM OF SAID CONTAINER FOR REMOVING THE FLUID OF GREATER DENSITY.
Claim 2
Independent Claim
172 words
A SYSTEM FOR SEPARATION OF SUBSTANTIALLY IMMISCIBLE LIQUIDS OF DIFFERENT DENSITIES AND PREVENTING OVERFLOW OF SAID LIQUIDS, COMPRISING; A CONTAINER FOR RECEIVING A MIXTURE OF SAID LIQUIDS, AN INLET FOR INTRODUCING SAID MIXTURE INTO THE CONTAINER, A FLOAT IN SAID CONTAINER HAVING A LEVER ASSOCIATED THEREWITH, MEANS FOR PIVOTING SAID LEVER INTERMEDIATE ITS ENDS, ELECTRICAL CIRCUIT MEANS INCLUDING AN INDICATING DEVICE OPERATIVELY CONNECTED WITH SAID LEVER BY A PRESSURE ROD, MEANS INCLUDING A SPRING ELEMENT URGING SAID ROD AWAY FROM SAID INDICATING DEVICE, VALVE MEANS IN SAID CONTAINER INLET, LINKAGE MEANS COUPLED TO SAID VALVE AND LEVER BEING CONSTRUCTED AND ARRANGED WHEREBY MOVEMENT OF SAID FLOAT TO A PREDETERMINED POSITION CAUSED BY THE CHANGE IN LEVEL OF THE LIQUID MIXTURE IN SAID CONTAINER SIMULTANEOUSLY CLOSES SAID VALVE IN SAID INLET AND URGES SAID PRESSURE ROD TOWARD SAID INDICATING DEVICE THEREBY ACTUATING SAID DEVICE; SUCTION MEANS FOR SKIMMING OFF THE LIQUID OF LEAST DENSITY FROM SAID CONTAINER, AND OUTLET MEANS AT THE BOTTOM OF SAID CONTAINER FOR REMOVING THE FLUID OF GREATER DENSITY.
References Cited (Backward Citations)
US123663A
Cited
US912970A
Cited
US1083315A
Cited
US1167776A
Cited
US1458663A
Cited
US1635414A
Cited
US2370099A
Cited
FR986405A
Cited
US2585878A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1969-04-18 | 1969-10-18 | 1970-04-19 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1973-04-18 | 1973-10-18 | 1974-04-19 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1977-04-18 | 1977-10-18 | 1978-04-19 | $7700.00 | Window Closed / Lapsed |