US2871669A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Radiation shield circulation system for large liquefied gas storage containers
Assignee: Individual
•
Filing: 1956-12-05
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Granted: 1959-02-03
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Expires: 1976-12-05
Abstract
No abstract record available.
Inventors
- 👤 Mann Douglas
- 👤 Macinko John
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-26 14:41
CPC Classifications
F; F17; F17C; F17C3/00; F17C3/02; F17C3/10; F17C2201/00; F17C2201/01; F17C2201/0104; F17C2201/0109; F17C2201/03; F17C2201/035; F17C2203/00; F17C2203/01; F17C2203/014; F17C2203/015; F17C2203/06; F17C2203/0602; F17C2203/0612; F17C2203/0626; F17C2203/0631; F17C2205/00; F17C2205/03; F17C2205/0302; F17C2205/0323; F17C2205/0326; F17C2221/00; F17C2221/01; F17C2221/012; F17C2221/016; F17C2221/017; F17C2223/00; F17C2223/01; F17C2223/0146; F17C2223/0153; F17C2223/0161; F17C2223/03; F17C2223/033; F17C2227/00; F17C2227/03; F17C2227/0337; F17C2227/0341; F17C2227/0367; F17C2227/0369; F17C2227/0376; F17C2227/0381; F17C2250/00; F17C2250/04; F17C2250/0404; F17C2250/0408; F17C2250/06; F17C2250/0605; F17C2250/0673; F17C2260/00; F17C2260/03; F17C2260/031; F17C2260/033; Y; Y02; Y02E; Y02E60/00; Y02E60/30; Y02E60/32; Y10; Y10S; Y10S220/00; Y10S220/901
Claims Analysis
Total Claims: 0
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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) | 1962-02-02 | 1962-08-04 | 1963-02-03 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1966-02-02 | 1966-08-04 | 1967-02-03 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1970-02-02 | 1970-08-04 | 1971-02-03 | $7700.00 | Window Closed / Lapsed |