Patent US3206939A successfully refreshed from Google Patents.
US3206939A
Expired / Lapsed
US
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Cryogenic fluid transfer system
Assignee: Union Carbide Corp
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Filing: 1962-12-26
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Granted: 1965-09-21
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Expires: 1982-12-26
Abstract
No abstract record available.
Inventors
- 👤 Stanley L Wilson
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-23 15:03
CPC Classifications
F; F17; F17C; F17C13/00; F17C2223/00; F17C2223/01; F17C2223/0146; F17C2223/0153; F17C2223/0161
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
88 words
A METHOD FOR TRANSFERRING A CRYOGENIC LIQUID COMPRISING THE STEPS OF CONDUCTING A CRYOGENIC FLUID INTO A PHASE SEPARATOR ZONE; SEPARATING THE CRYOGENIC FLUID INTO A MINOR VAPOR PORTION AND A MAJOR LIQUID PORTION IN SAID PHASE SEPARATOR ZONE; VENTING SAID MINOR VAPOR PORTION FROM SAID PHASE SEPARATOR ZONE; AND REDUCING THE VELOCITY OF SAID MAJOR LIQUID PORTION BY PASSAGE THROUGH A POROUS MATERIAL, SAID POROUS MATERIAL BEING CONTIGUOUS WITH SAID PHASE FROM SAID POROUS MATERIAL AT SUCH REDUCED VELOCPORTION FROM SAID POROUS MATERIAL AT SUCH REDUCED VELOCITY.
Claim 2
Independent Claim
88 words
A METHOD FOR TRANSFERRING A CRYOGENIC LIQUID COMPRISING THE STEPS OF CONDUCTING A CRYOGENIC FLUID INTO A PHASE SEPARATOR ZONE; SEPARATING THE CRYOGENIC FLUID INTO A MINOR VAPOR PORTION AND A MAJOR LIQUID PORTION IN SAID PHASE SEPARATOR ZONE; VENTING SAID MINOR VAPOR PORTION FROM SAID PHASE SEPARATOR ZONE; AND REDUCING THE VELOCITY OF SAID MAJOR LIQUID PORTION BY PASSAGE THROUGH A POROUS MATERIAL, SAID POROUS MATERIAL BEING CONTIGUOUS WITH SAID PHASE FROM SAID POROUS MATERIAL AT SUCH REDUCED VELOCPORTION FROM SAID POROUS MATERIAL AT SUCH REDUCED VELOCITY.
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) | 1968-09-20 | 1969-03-22 | 1969-09-21 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1972-09-20 | 1973-03-22 | 1973-09-21 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1976-09-20 | 1977-03-22 | 1977-09-21 | $7700.00 | Window Closed / Lapsed |