US2507797A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Apparatus and method for deaeration of liquids
Assignee: SCHWARZ ENGINEERING Co IN
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Filing: 1949-02-14
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Granted: 1950-05-16
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Expires: 1969-02-14
Abstract
No abstract record available.
Inventors
- 👤 Martin William Mck
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-24 15:12
CPC Classifications
B; B01; B01D; B01D19/00; B01D19/0042; B01D19/0052; Y; Y10; Y10S; Y10S159/00; Y10S159/31
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
61 words
A CENTRIFUGAL DEAERATOR COMPRISING A CHAMBER HAVING AN OUTLET FOR DEAERATED LIQUID, MEANS FOR CONNECTION TO VACUUM CREATING MEANS FOR MAINTAINING SAID CHAMBER UNDER VACUUM, A DESERATING ROTOR ROTATABLY MOUNTED IN SAID CHAMBER COMPRISING A PLURALITY OF APERTURED ANNULAR BAFFLE PLATES NESTED IN SPACED RELATIONSHIP WITH RESPECT TO EACH OTHER, AND MEANS FOR INTRODUCING LIQUID TO BE DEAERATED INTO SAID ROTOR.
Claim 2
Dependent Claim
61 words
A CENTRIFUGAL DEAERATOR COMPRISING A CHAMBER HAVING AN OUTLET FOR DEAERATED LIQUID, MEANS FOR CONNECTION TO VACUUM CREATING MEANS FOR MAINTAINING SAID CHAMBER UNDER VACUUM, A DESERATING ROTOR ROTATABLY MOUNTED IN SAID CHAMBER COMPRISING A PLURALITY OF APERTURED ANNULAR BAFFLE PLATES NESTED IN SPACED RELATIONSHIP WITH RESPECT TO EACH OTHER, AND MEANS FOR INTRODUCING LIQUID TO BE DEAERATED INTO SAID ROTOR.
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) | 1953-05-15 | 1953-11-14 | 1954-05-16 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1957-05-15 | 1957-11-14 | 1958-05-16 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1961-05-15 | 1961-11-14 | 1962-05-16 | $7700.00 | Window Closed / Lapsed |