US3280849A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Heat insulated fluid container
Assignee: Airco Inc
•
Filing: 1965-02-15
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Granted: 1966-10-25
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Expires: 1985-02-15
Abstract
No abstract record available.
Inventors
- 👤 John J Rendos
- 👤 Jordan Michael
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-28 23:05
CPC Classifications
F; F16; F16L; F16L59/00; F16L59/14
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
126 words
A VACUUM JACKETED CONDUIT EXTENDING ALONG A LONGITUDINAL AXIS FOR CARRYING A FLUID OF TEMPERATURE SUBSTANTIALLY DIVERGENT FROM AMBIENT COMPRISING ADJACENT UNIT SECTIONS EACH HAVING AN IMPERFORATE UNITARY RIGID INNER TUBULAR ELEMENT, AN OUTER CASING ELEMENT SPACED FROM AND OF SUBSTANTIALLY THE SAME LENGTH AS SAID INNER ELEMENT, SAID CASING ELEMENT SURROUNDING SAID INNER ELEMENT AND BEING SUBSTANTIALLY COEXTENSIVE IN LENGTH THEREWITH, SAID INNER AND OUTER ELEMENTS TERMINATING SUBSTANTIALLY COPLANARLY AT THE ENDS, AND SUBSTANTIALLY RIGID IMPERFORATE COMBINED SPACING AND CLOSURE MEANS OF EFFECTIVELY LOW THERMAL TRANSMISSION PROPERTIES FASTENED TO EACH END OF SAID INNER ELEMENT AND THE CORRESPONDING END OF THE SAID OUTER ELEMENT SO AS TO FASTEN TOGETHER SAID INNER AND OUTER ELEMENT IN SUBSTANTIALLY FIXED SPACED RELATION TO EACH OTHER AND SO AS
Claim 2
Dependent Claim
126 words
A VACUUM JACKETED CONDUIT EXTENDING ALONG A LONGITUDINAL AXIS FOR CARRYING A FLUID OF TEMPERATURE SUBSTANTIALLY DIVERGENT FROM AMBIENT COMPRISING ADJACENT UNIT SECTIONS EACH HAVING AN IMPERFORATE UNITARY RIGID INNER TUBULAR ELEMENT, AN OUTER CASING ELEMENT SPACED FROM AND OF SUBSTANTIALLY THE SAME LENGTH AS SAID INNER ELEMENT, SAID CASING ELEMENT SURROUNDING SAID INNER ELEMENT AND BEING SUBSTANTIALLY COEXTENSIVE IN LENGTH THEREWITH, SAID INNER AND OUTER ELEMENTS TERMINATING SUBSTANTIALLY COPLANARLY AT THE ENDS, AND SUBSTANTIALLY RIGID IMPERFORATE COMBINED SPACING AND CLOSURE MEANS OF EFFECTIVELY LOW THERMAL TRANSMISSION PROPERTIES FASTENED TO EACH END OF SAID INNER ELEMENT AND THE CORRESPONDING END OF THE SAID OUTER ELEMENT SO AS TO FASTEN TOGETHER SAID INNER AND OUTER ELEMENT IN SUBSTANTIALLY FIXED SPACED RELATION TO EACH OTHER AND SO AS
References Cited (Backward Citations)
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Cited
US2451146A
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US2423213A
Cited
US2419278A
Cited
US2807563A
Cited
US2841203A
Cited
US2924245A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1969-10-24 | 1970-04-25 | 1970-10-25 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1973-10-24 | 1974-04-25 | 1974-10-25 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1977-10-24 | 1978-04-25 | 1978-10-25 | $7700.00 | Window Closed / Lapsed |