Patent US3176473A successfully refreshed from Google Patents.
US3176473A
Expired / Lapsed
US
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Modular dewar vessel for cryogenic use
Assignee: Andonian Associates Inc
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Filing: 1963-04-09
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Granted: 1965-04-06
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Expires: 1983-04-09
Abstract
No abstract record available.
Inventors
- 👤 Martin D Andonian
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-25 09:45
CPC Classifications
H; H01; H01F; H01F6/00; H01F6/04; F; F17; F17C; F17C3/00; F17C3/02; F17C3/08; F17C3/085; F17C2201/00; F17C2201/01; F17C2201/0138; F17C2203/00; F17C2203/03; F17C2203/0304; F17C2203/0308; F17C2203/0375; F17C2203/0387; F17C2203/0391; F17C2203/06; F17C2203/0602; F17C2203/0607; F17C2203/0612; F17C2203/0626; F17C2203/0631; F17C2203/0634; F17C2203/0636; F17C2203/0639; F17C2203/0643; F17C2209/00; F17C2209/22; F17C2209/228; F17C2221/00; F17C2221/01; F17C2221/012; F17C2221/014; F17C2221/016; F17C2221/017; F17C2223/00; F17C2223/01; F17C2223/0146; F17C2223/0153; F17C2223/0161; F17C2223/03; F17C2223/033; F17C2250/00; F17C2250/04; F17C2250/0404; F17C2250/043; F17C2260/00; F17C2260/01; F17C2260/015; Y; Y02; Y02E; Y02E60/00; Y02E60/30; Y02E60/32
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
118 words
A MULTI-WALLED VACUUM INSULATED VESSEL COMPRISING (A) AN OUTER VACUUM SHELL, (B) AN INTERMEDIATE LOW TEMPERATURE THERMAL RADIATION SHIELD HAVING INNER AND OUTER WALLS FORMING A CHAMBER BETWEEN THEM, (C) AN INNER CONTAINER, (D) A FIRST PLATE EXTENDING ACROSS AND REMOVABLY SECURED TO A FIRST END OF SAID SHELL, (E) A CONDUIT EXTENDING FROM SAID INNER CONTAINER OUTWARDLY THROUGH SAID FIRST PLATE, (F) FIRST SEALING MEANS SEALING THE INTERIOR OF SAID INNER CONTAINER FROM THE SPACE AROUND SAID INNER CONTAINER AND WITHIN SAID OUTER SHELL, (G) SECOND SEALING MEANS SAEALING SAID CHAMBER FROM SAID SPACE, (H) A SUPPORTING STRUCTURE FOR SUPPORTING SAID SHIELD FROM SAID FIRST PLATE, AND (I) MEANS REMOVABLY SECURING SAID SHIELD TO SAID SUPPORTING STRUCTURE.
Claim 2
Dependent Claim
118 words
A MULTI-WALLED VACUUM INSULATED VESSEL COMPRISING (A) AN OUTER VACUUM SHELL, (B) AN INTERMEDIATE LOW TEMPERATURE THERMAL RADIATION SHIELD HAVING INNER AND OUTER WALLS FORMING A CHAMBER BETWEEN THEM, (C) AN INNER CONTAINER, (D) A FIRST PLATE EXTENDING ACROSS AND REMOVABLY SECURED TO A FIRST END OF SAID SHELL, (E) A CONDUIT EXTENDING FROM SAID INNER CONTAINER OUTWARDLY THROUGH SAID FIRST PLATE, (F) FIRST SEALING MEANS SEALING THE INTERIOR OF SAID INNER CONTAINER FROM THE SPACE AROUND SAID INNER CONTAINER AND WITHIN SAID OUTER SHELL, (G) SECOND SEALING MEANS SAEALING SAID CHAMBER FROM SAID SPACE, (H) A SUPPORTING STRUCTURE FOR SUPPORTING SAID SHIELD FROM SAID FIRST PLATE, AND (I) MEANS REMOVABLY SECURING SAID SHIELD TO SAID SUPPORTING STRUCTURE.
References Cited (Backward Citations)
US2951944A
Cited
US3066222A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1968-04-05 | 1968-10-05 | 1969-04-06 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1972-04-05 | 1972-10-05 | 1973-04-06 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1976-04-05 | 1976-10-05 | 1977-04-06 | $7700.00 | Window Closed / Lapsed |