Patent US3217947A successfully refreshed from Google Patents.
US3217947A
Expired / Lapsed
US
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Pressure regulator
Assignee: Dole Valve Co
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Filing: 1963-06-17
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Granted: 1965-11-16
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Expires: 1983-06-17
Abstract
No abstract record available.
Inventors
- 👤 Carl C Bauerlein
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-08 05:27
CPC Classifications
B; B67; B67D; B67D1/00; B67D1/08; B67D1/12; B67D1/1252
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
126 words
A PRESSURE REGULATOR COMPRISING: A HOUSING, A FLEXIBLE RUBBER DIAPHRAGM DIVIDING THE INTERIOR OF THE HOUSING INTO OPPOSED ATMOSPHERIC AND PRESSURE SUPPLY CHAMBERS AND AT LEAST ONE PERIPHERAL PRESSURE RELIEF CHAMBER, SAID SUPPLY CHAMBER HAVING AN INLET AND AN OUTLET, SAID INLET BEING CONNECTED TO MEANS TO SUPPLY PRESSURIZED FLUID TO THE SUPPLY CHAMBER, A VALVE CONNECTED TO SAID DIAPHRAGM AND LINEARLY MOVABLE THEREWITH TO OPEN AND CLOSE SAID SUPPLY CHAMBER INLET TO PROVIDE A CONSTANT PRESSURE OF FLUID IN THE SUPPLY CHAMBER, A PASSAGE MEANS FORMING SAID SUPPLY CHAMBER OUTLET, SAID PASSAGED MEANS HAVING A PASSAGE LEADING FROM THE SUPPLY CHAMBER TO THE EXTERIOR OF THE HOUSING, A FLEXIBLE SLEEVE MOUNTED ON SAID PASSAGED MEANS BLOCKEDING THE PASSAGE LEADING TO THE EXTERIOR OF THE HOUSING,
Claim 2
Dependent Claim
126 words
A PRESSURE REGULATOR COMPRISING: A HOUSING, A FLEXIBLE RUBBER DIAPHRAGM DIVIDING THE INTERIOR OF THE HOUSING INTO OPPOSED ATMOSPHERIC AND PRESSURE SUPPLY CHAMBERS AND AT LEAST ONE PERIPHERAL PRESSURE RELIEF CHAMBER, SAID SUPPLY CHAMBER HAVING AN INLET AND AN OUTLET, SAID INLET BEING CONNECTED TO MEANS TO SUPPLY PRESSURIZED FLUID TO THE SUPPLY CHAMBER, A VALVE CONNECTED TO SAID DIAPHRAGM AND LINEARLY MOVABLE THEREWITH TO OPEN AND CLOSE SAID SUPPLY CHAMBER INLET TO PROVIDE A CONSTANT PRESSURE OF FLUID IN THE SUPPLY CHAMBER, A PASSAGE MEANS FORMING SAID SUPPLY CHAMBER OUTLET, SAID PASSAGED MEANS HAVING A PASSAGE LEADING FROM THE SUPPLY CHAMBER TO THE EXTERIOR OF THE HOUSING, A FLEXIBLE SLEEVE MOUNTED ON SAID PASSAGED MEANS BLOCKEDING THE PASSAGE LEADING TO THE EXTERIOR OF THE HOUSING,
References Cited (Backward Citations)
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US3127059A
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US1238271A
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US2571433A
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US3039661A
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US3128019A
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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) | 1968-11-15 | 1969-05-17 | 1969-11-16 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1972-11-15 | 1973-05-17 | 1973-11-16 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1976-11-15 | 1977-05-17 | 1977-11-16 | $7700.00 | Window Closed / Lapsed |