US3442091A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Delivery of coolant to cryostats
Assignee: Max-Planck-Gesellschaft zur Förderung der Wissenschaften eV
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Filing: 1967-11-01
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Granted: 1969-05-06
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Expires: 1987-11-01
Abstract
No abstract record available.
Inventors
- 👤 Gustav Klipping
- 👤 Albrecht Elsner
- 👤 Upper Franconia
- 👤 Gerd Hildebrandt
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-23 23:26
CPC Classifications
F; F17; F17C; F17C6/00; F17C3/00; F17C3/02; F17C3/08; F17C3/085; F17C2201/00; F17C2201/01; F17C2201/0104; F17C2201/0109; F17C2205/00; F17C2205/03; F17C2205/0302; F17C2205/0341; F17C2221/00; F17C2221/01; F17C2221/016; F17C2221/017; F17C2223/00; F17C2223/01; F17C2223/0146; F17C2223/0153; F17C2223/0161; F17C2270/00; F17C2270/05; F17C2270/0509; Y; Y10; Y10S; Y10S505/00; Y10S505/825; Y10S505/888
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US3360947A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1972-05-05 | 1972-11-04 | 1973-05-06 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1976-05-05 | 1976-11-04 | 1977-05-06 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1980-05-05 | 1980-11-04 | 1981-05-06 | $7700.00 | Window Closed / Lapsed |