US3091098A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Vacuum deaerator
Assignee: Pfaudler Permutit Inc
•
Filing: 1961-05-04
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Granted: 1963-05-28
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Expires: 1981-05-04
Abstract
No abstract record available.
Inventors
- 👤 Herbert L Bowers
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-28 03:50
CPC Classifications
B; B01; B01D; B01D3/00; B01D3/007; B01D19/00; B01D19/0042; B01D19/0047; Y; Y10; Y10S; Y10S159/00; Y10S159/16; Y10S159/31; Y10S203/00; Y10S203/04
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
109 words
A VACUUM DEAERATOR COMPRISING A TANK, MEANS FOR MAINTAINING A WATER LEVEL IN SAID TANK, AN INLET FOR WATER TO BE DEAERATED CONNECTED WITH SAID TANK, AN OUTLET FOR DEAERATED WATER CONNECTED WITH SAID TANK BELOW SAID WATER LEVEL, A COMPARTMENT LOCATED ABOVE SAID WATER LEVEL AND HAVING ITS LOWER PORTION IN COMMUNICATION WITH SAID TANK, A PIPE CONNECTED WITH THE UPPER PORTIN OF SAID COMPARTMENT, A VACUUM PUMP IN SAID PIPE, A CONDENSER, AN EVAPORATOR IN SAID COMPARTMENT, A COMPRESSOR, A FIRST CONDUIT INTERCONNECTING SAID COMPRESSOR AND SAID CONDENSER, A SECOND CONDUIT INTERCONNECTING SAID CONDENSER AND SAID EVAPORATOR, AND A THIRD CONDUIT INTERCONNECTING SAID EVAPORATOR AND SAID COMPRESSOR.
Claim 2
Dependent Claim
109 words
A VACUUM DEAERATOR COMPRISING A TANK, MEANS FOR MAINTAINING A WATER LEVEL IN SAID TANK, AN INLET FOR WATER TO BE DEAERATED CONNECTED WITH SAID TANK, AN OUTLET FOR DEAERATED WATER CONNECTED WITH SAID TANK BELOW SAID WATER LEVEL, A COMPARTMENT LOCATED ABOVE SAID WATER LEVEL AND HAVING ITS LOWER PORTION IN COMMUNICATION WITH SAID TANK, A PIPE CONNECTED WITH THE UPPER PORTIN OF SAID COMPARTMENT, A VACUUM PUMP IN SAID PIPE, A CONDENSER, AN EVAPORATOR IN SAID COMPARTMENT, A COMPRESSOR, A FIRST CONDUIT INTERCONNECTING SAID COMPRESSOR AND SAID CONDENSER, A SECOND CONDUIT INTERCONNECTING SAID CONDENSER AND SAID EVAPORATOR, AND A THIRD CONDUIT INTERCONNECTING SAID EVAPORATOR AND SAID COMPRESSOR.
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) | 1966-05-27 | 1966-11-26 | 1967-05-28 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1970-05-27 | 1970-11-26 | 1971-05-28 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1974-05-27 | 1974-11-26 | 1975-05-28 | $7700.00 | Window Closed / Lapsed |