US3371145A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Cryogenic heat exchanger electrical lead
Assignee: Avco Corp
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Filing: —
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Granted: 1968-02-27
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Expires: 1985-02-27
Abstract
No abstract record available.
Inventors
- 👤 Richard J Camille Jr
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-25 05:36
CPC Classifications
H; H01; H01F; H01F6/00; H01F6/06; H01F6/065; Y; Y10; Y10S; Y10S505/00; Y10S505/825; Y10S505/884; Y10S505/885
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
141 words
IN AN ELONGATED ELECTRICAL LEAD WHEREIN A COLD GAS IN A CRYOGENIC REGION PASSES THROUGH SAID ELECTRICAL LEAD TO A WARMER REGION, THE COMBINATION COMPRISING: (A) AN ELONGATED HOLLOW MEMBER FOR RECEIVING SAID GAS; (B) ELECTRICALLY CONDUCTIVE MESH SCREEN MEANS DISPOSED IN SAID HOLLOW MEMBER, SAID MEANS COMPRISING A PLURALITY OF CLOSELY SPACED SUBSTANTIALLY AXIALLY DISPOSED ELECTRICAL CONDUCTORS EXTENDING SUBSTANTIALLY THE LENGTH OF SAID HOLLOW MEMBER IN CONTACT WITH A PLURALITY OF CLOSELY SPACED CONDUCTORS, DISPOSED AT SUBSTANTIALLY RIGHT ANGLES TO SAID AXIALLY DISPOSED CONDUCTORS, SAID CONDUCTORS AT LEAST SUBSTANTIALLY FILLING SAID HOLLOW MEMBER WHEREBY SAID GAS DURING FLOW THROUGH SAID LEAD MUST FLOW SUBSTANTIALLY ONLY THROUGH SAID MESH SCREEN MEANS; AND (C) AN ELECTRICALLY CONDUCTIVE END TERMINAL MEMBER DISPOSED AT OPPOSITE ENDS OF SAID MESH SCREEN MEANS AND IN ELECTRICAL CONTACT WITH RESPECTIVE OPPOSITE ENDS OF SAID AXIALLY DISPOSED CONDUCTORS.
Claim 2
Dependent Claim
141 words
IN AN ELONGATED ELECTRICAL LEAD WHEREIN A COLD GAS IN A CRYOGENIC REGION PASSES THROUGH SAID ELECTRICAL LEAD TO A WARMER REGION, THE COMBINATION COMPRISING: (A) AN ELONGATED HOLLOW MEMBER FOR RECEIVING SAID GAS; (B) ELECTRICALLY CONDUCTIVE MESH SCREEN MEANS DISPOSED IN SAID HOLLOW MEMBER, SAID MEANS COMPRISING A PLURALITY OF CLOSELY SPACED SUBSTANTIALLY AXIALLY DISPOSED ELECTRICAL CONDUCTORS EXTENDING SUBSTANTIALLY THE LENGTH OF SAID HOLLOW MEMBER IN CONTACT WITH A PLURALITY OF CLOSELY SPACED CONDUCTORS, DISPOSED AT SUBSTANTIALLY RIGHT ANGLES TO SAID AXIALLY DISPOSED CONDUCTORS, SAID CONDUCTORS AT LEAST SUBSTANTIALLY FILLING SAID HOLLOW MEMBER WHEREBY SAID GAS DURING FLOW THROUGH SAID LEAD MUST FLOW SUBSTANTIALLY ONLY THROUGH SAID MESH SCREEN MEANS; AND (C) AN ELECTRICALLY CONDUCTIVE END TERMINAL MEMBER DISPOSED AT OPPOSITE ENDS OF SAID MESH SCREEN MEANS AND IN ELECTRICAL CONTACT WITH RESPECTIVE OPPOSITE ENDS OF SAID AXIALLY DISPOSED CONDUCTORS.
References Cited (Backward Citations)
No citation records indexed.
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1971-02-26 | 1971-08-28 | 1972-02-27 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1975-02-26 | 1975-08-28 | 1976-02-27 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1979-02-26 | 1979-08-28 | 1980-02-27 | $7700.00 | Window Closed / Lapsed |