US3132472A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Thermal actuator
Assignee: Crane Co
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Filing: 1959-09-08
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Granted: 1964-05-12
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Expires: 1979-09-08
Abstract
No abstract record available.
Inventors
- 👤 Earl O Schweitzer
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-22 21:59
CPC Classifications
G; G05; G05D; G05D23/00; G05D23/19; G05D23/1919; G05D23/1921; F; F03; F03G; F03G7/00; F03G7/06; F03G7/061; F03G7/0613; F03G7/062; F03G7/064; F03G7/0641
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
103 words
MECHANISM FOR CHANGING THE FLUID PRESSURE IN A VESSEL CONTAINING LIQUID, COMPRISING A BOILER IN THE VESSEL, SAID VESSEL COMPRISING A CONDENSER FOR CHANGING VAPOR TO LIQUID AND DISPOSED ABOVE THE BOILER, A HEATER FOR GENERATING VAPOR IN THE BOILER, A VAPOR RELEASE VALVE IN AN UPPER PART OF THE BOILER, MEANS AFFORDING LIQUID COMMUNICATION BETWEEN A LOWER PART OF THE BOILER AND CONDENSER, AND MEANS FOR CHANGING THE FLOW OF VAPOR THROUGH SAID VALVE FROM THE BOILER TO THE CONDENSER WHEREBY TO CHANGE THE RATE OF CONDENSATION OF VAPOR TO LIQUID IN SAID CONDENSER AND CHANGE THE FLUID PRESSURE IN THE VESSEL.
Claim 2
Dependent Claim
103 words
MECHANISM FOR CHANGING THE FLUID PRESSURE IN A VESSEL CONTAINING LIQUID, COMPRISING A BOILER IN THE VESSEL, SAID VESSEL COMPRISING A CONDENSER FOR CHANGING VAPOR TO LIQUID AND DISPOSED ABOVE THE BOILER, A HEATER FOR GENERATING VAPOR IN THE BOILER, A VAPOR RELEASE VALVE IN AN UPPER PART OF THE BOILER, MEANS AFFORDING LIQUID COMMUNICATION BETWEEN A LOWER PART OF THE BOILER AND CONDENSER, AND MEANS FOR CHANGING THE FLOW OF VAPOR THROUGH SAID VALVE FROM THE BOILER TO THE CONDENSER WHEREBY TO CHANGE THE RATE OF CONDENSATION OF VAPOR TO LIQUID IN SAID CONDENSER AND CHANGE THE FLUID PRESSURE IN 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) | 1967-05-12 | 1967-11-11 | 1968-05-12 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1971-05-12 | 1971-11-11 | 1972-05-12 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1975-05-12 | 1975-11-11 | 1976-05-12 | $7700.00 | Window Closed / Lapsed |