Patent US3170306A successfully refreshed from Google Patents.
US3170306A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Cryogenic means for cooling detectors
Assignee: Aerojet Rocketdyne Inc
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Filing: 1963-04-30
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Granted: 1965-02-23
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Expires: 1983-04-30
Abstract
No abstract record available.
Inventors
- 👤 Jr Urban E Gross
- 👤 Alfred I Weinstein
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-06 19:47
CPC Classifications
F; F17; F17C; F17C3/00; F17C3/02; F17C3/08; F17C3/085; F25; F25D; F25D3/00
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
114 words
A DEVICE FOR MAINTAINING CIRCUIT COMPONENTS AT CRYOGENIC TEMPERATURES COMPRISING CHAMBER MEANS HAVING HEAT TRANSFER MEANS EXTENDING THEREINTO, AN OUTER CONTAINER SUBSTANTIALLY SURROUNDING SAID CHAMBER MEANS, INSULATION MEANS MAINTAINED BETWEEN SAID CHAMBER MEANS AND SAID OUER CONTAINER, SUPPORT MEANS SUPPORTING SAID CHAMBER MEANS WITHINSAID OUER CONTAINER, PORT MEANS PROVIDING PORTS FOR VENTING SAID CHAMBR MEANS AND FOR ACCOMODATING A PORTION OF SAID HEAT TRANSFER MEANS, SOLID COOLANT MEANS PARTIALLY FILLING SAID CHAMBER MEANS, AND SAID HEAT TRANSFER MEANS BEING ADAPTED TO BE CONNECTED IN THERMALLY CONDUCTIVE RELATIONSHIP TO A COMPONENT TO BE COOLED WHEREBY GASES RELEASED BY HEAT TRANSFERRED TO SAID CHAMBER MEANS FROM SAID HEAT TRANSFER MEANS ARE DISCHARGED THROUGH SAID PORT MEANS
Claim 2
Independent Claim
114 words
A DEVICE FOR MAINTAINING CIRCUIT COMPONENTS AT CRYOGENIC TEMPERATURES COMPRISING CHAMBER MEANS HAVING HEAT TRANSFER MEANS EXTENDING THEREINTO, AN OUTER CONTAINER SUBSTANTIALLY SURROUNDING SAID CHAMBER MEANS, INSULATION MEANS MAINTAINED BETWEEN SAID CHAMBER MEANS AND SAID OUER CONTAINER, SUPPORT MEANS SUPPORTING SAID CHAMBER MEANS WITHINSAID OUER CONTAINER, PORT MEANS PROVIDING PORTS FOR VENTING SAID CHAMBR MEANS AND FOR ACCOMODATING A PORTION OF SAID HEAT TRANSFER MEANS, SOLID COOLANT MEANS PARTIALLY FILLING SAID CHAMBER MEANS, AND SAID HEAT TRANSFER MEANS BEING ADAPTED TO BE CONNECTED IN THERMALLY CONDUCTIVE RELATIONSHIP TO A COMPONENT TO BE COOLED WHEREBY GASES RELEASED BY HEAT TRANSFERRED TO SAID CHAMBER MEANS FROM SAID HEAT TRANSFER MEANS ARE DISCHARGED THROUGH SAID PORT MEANS
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) | 1968-02-23 | 1968-08-24 | 1969-02-23 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1972-02-23 | 1972-08-24 | 1973-02-23 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1976-02-23 | 1976-08-24 | 1977-02-23 | $7700.00 | Window Closed / Lapsed |