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US3431347A
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Cryostats for low-temperature cables
Assignee: Siemens AG
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Filing: 1967-06-23
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Granted: 1969-03-04
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Expires: 1987-06-23
Abstract
No abstract record available.
Inventors
- 👤 Wilhelm Kafka
- 👤 Claus-Peter Parsch
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-25 20:20
CPC Classifications
H; H01; H01B; H01B12/00; H01B12/14; F; F17; F17C; F17C3/00; F17C3/02; F17C3/08; F17C3/085; F17C2270/00; F17C2270/05; F17C2270/0509; Y; Y02; Y02E; Y02E40/00; Y02E40/60; Y10; Y10S; Y10S505/00; Y10S505/825; Y10S505/884; Y10S505/885
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US442162A
Cited
US2777009A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1972-03-03 | 1972-09-02 | 1973-03-04 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1976-03-03 | 1976-09-02 | 1977-03-04 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1980-03-03 | 1980-09-02 | 1981-03-04 | $7700.00 | Window Closed / Lapsed |