US3302415A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Cryogenic refrigerating apparatus
Assignee: Alcatel Lucent SAS
•
Filing: 1964-12-14
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Granted: 1967-02-07
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Expires: 1984-12-14
Abstract
No abstract record available.
Inventors
- 👤 Royet Jean
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-25 01:09
CPC Classifications
F; F25; F25D; F25D3/00; F25D3/10; F17; F17C; F17C11/00; F17C3/00; F17C3/02; F17C3/08; F17C3/085; F25B; F25B9/00; F17C2201/00; F17C2201/06; F17C2203/00; F17C2203/03; F17C2223/00; F17C2223/01; F17C2223/0146; F17C2223/0153; F17C2223/0161; F17C2227/00; F17C2227/01; F17C2227/0128; F17C2227/0135; F17C2227/03; F17C2227/0302; F17C2227/0337; F17C2227/0367; F17C2227/0388; F17C2227/039
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
65 words
IN A CLOSED CRYOGENIC REFRIGERATION APPARATUS OF THE TYPE INCLUDING A LIQUID REFRIGERANT AND ADAPTED TO COOL AN EQUIPMENT, THE IMPROVEMENT COMPRISING A THERMALLY INSULATED ENCLOSURE, A POROUS ADSORBENT MATERIAL AT LEAST PARTIALLY FILLING SAID ENCLOSURE AND ADAPTED TO HOLD A REFRIGERANT BY ADSORPTION, AN EQUIPMENT TO BE COOLED AT LEAST PARTIALLY EMBEDDED IN SAID ADSORBENT MATERIAL SO AS TO BE IN DIRECT CONTACT THEREWITH.
Claim 2
Dependent Claim
65 words
IN A CLOSED CRYOGENIC REFRIGERATION APPARATUS OF THE TYPE INCLUDING A LIQUID REFRIGERANT AND ADAPTED TO COOL AN EQUIPMENT, THE IMPROVEMENT COMPRISING A THERMALLY INSULATED ENCLOSURE, A POROUS ADSORBENT MATERIAL AT LEAST PARTIALLY FILLING SAID ENCLOSURE AND ADAPTED TO HOLD A REFRIGERANT BY ADSORPTION, AN EQUIPMENT TO BE COOLED AT LEAST PARTIALLY EMBEDDED IN SAID ADSORBENT MATERIAL SO AS TO BE IN DIRECT CONTACT THEREWITH.
References Cited (Backward Citations)
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Cited
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Cited
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Cited
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Cited
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Cited
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Cited
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Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1970-02-06 | 1970-08-08 | 1971-02-07 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1974-02-06 | 1974-08-08 | 1975-02-07 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1978-02-06 | 1978-08-08 | 1979-02-07 | $7700.00 | Window Closed / Lapsed |