Patent US3275345A successfully refreshed from Google Patents.
US3275345A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Conduit system and coupling means therefor, for conveying cryogenic fluids
Assignee: Arthur D Little Inc
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Filing: 1964-03-30
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Granted: 1966-09-27
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Expires: 1984-03-30
Abstract
No abstract record available.
Inventors
- 👤 Stoddard S Waldron
- 👤 Jr Gustave A Bleyle
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-28 22:25
CPC Classifications
F; F16; F16L; F16L39/00; F16L39/005
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
127 words
A TERMINATION FOR CONDUIT MEANS COMPRISING AN INNER HOLLOW CONDUIT FOR CONVEYING A LIQUEFIED GAS AND AN OUTER HOLLOW CONDUIT SURROUNDING SAID INNER CONDUIT AND SPACED THEREFROM FOR DEFINING AN EVACUATED SPACE THEREBETWEEN, SAID TERMINATION BEING ADAPTED FOR COUPLING TO ANOTHER TERMINATION OF IDENTICAL CONFIGURATION, SAID TERMINATION COMPRISING: (A) RESPECTIVE ONE ENDS OF EACH OF SAID CONDUITS POSITIONED ADJACENT ONE ANOTHER APPROXIMATELY IN A COMMON PLANE; (B) FLANGE MEANS MOUNTED ON AND EXTENDING OUTWARDLY FROM SAID OUTER CONDUIT ADJACENT SAID ONE END THEREOF; AND (C) MEANS SEALING SAID ENDS TOGETHER AND INCLUDING: (I) AT LEAST ONE SUBSTANTIALLY RIGID, HOLLOW, FRUSTOCONICAL MEMBER SEALED AT ONE EXTREMITY TO ONE OF SAID ENDS AND EXTENDING INTO SAID EVACUATED SPACE, (II) AT LEAST ONE SUBSTANTIALLY RIGID, HOLLOW, ELONGATED SUBSTANTIALLY CYLINDRICAL MEMBER
Claim 2
Dependent Claim
127 words
A TERMINATION FOR CONDUIT MEANS COMPRISING AN INNER HOLLOW CONDUIT FOR CONVEYING A LIQUEFIED GAS AND AN OUTER HOLLOW CONDUIT SURROUNDING SAID INNER CONDUIT AND SPACED THEREFROM FOR DEFINING AN EVACUATED SPACE THEREBETWEEN, SAID TERMINATION BEING ADAPTED FOR COUPLING TO ANOTHER TERMINATION OF IDENTICAL CONFIGURATION, SAID TERMINATION COMPRISING: (A) RESPECTIVE ONE ENDS OF EACH OF SAID CONDUITS POSITIONED ADJACENT ONE ANOTHER APPROXIMATELY IN A COMMON PLANE; (B) FLANGE MEANS MOUNTED ON AND EXTENDING OUTWARDLY FROM SAID OUTER CONDUIT ADJACENT SAID ONE END THEREOF; AND (C) MEANS SEALING SAID ENDS TOGETHER AND INCLUDING: (I) AT LEAST ONE SUBSTANTIALLY RIGID, HOLLOW, FRUSTOCONICAL MEMBER SEALED AT ONE EXTREMITY TO ONE OF SAID ENDS AND EXTENDING INTO SAID EVACUATED SPACE, (II) AT LEAST ONE SUBSTANTIALLY RIGID, HOLLOW, ELONGATED SUBSTANTIALLY CYLINDRICAL MEMBER
References Cited (Backward Citations)
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Cited
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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) | 1969-09-26 | 1970-03-28 | 1970-09-27 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1973-09-26 | 1974-03-28 | 1974-09-27 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1977-09-26 | 1978-03-28 | 1978-09-27 | $7700.00 | Window Closed / Lapsed |