US2437909A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Storage means for liquefied gas
Assignee: Individual
•
Filing: 1945-11-27
•
Granted: 1948-03-16
•
Expires: 1965-11-27
Abstract
No abstract record available.
Inventors
- 👤 Howell C Cooper
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-09 13:43
CPC Classifications
F; F17; F17C; F17C3/00; F17C3/005; F17C2201/00; F17C2201/01; F17C2201/0104; F17C2201/0109; F17C2201/0147; F17C2201/05; F17C2201/052; F17C2203/00; F17C2203/01; F17C2203/014; F17C2203/015; F17C2203/03; F17C2203/0304; F17C2203/0354; F17C2203/06; F17C2203/0602; F17C2203/0604; F17C2203/0634; F17C2203/0636; F17C2203/0639; F17C2203/0678; F17C2221/00; F17C2221/03; F17C2221/032; F17C2221/033; F17C2223/00; F17C2223/01; F17C2223/0146; F17C2223/0153; F17C2223/0161; F17C2223/03; F17C2223/033; F17C2227/00; F17C2227/03; F17C2227/0302; F17C2260/00; F17C2260/01; F17C2260/015; F17C2260/03; F17C2260/031; F17C2260/032; F17C2265/00; F17C2265/03; F17C2265/032; F17C2270/00; F17C2270/01; F17C2270/0142; F17C2270/0144; F17C2270/0147; F17C2270/0155; F17C2270/0157; F17C2270/016; Y; Y10; Y10T; Y10T137/00; Y10T137/6416; Y10T137/6579; Y10T137/6851; Y10T137/6966; Y10T137/6991; Y10T137/7039
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) | 1951-03-16 | 1951-09-15 | 1952-03-16 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1955-03-16 | 1955-09-15 | 1956-03-16 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1959-03-16 | 1959-09-15 | 1960-03-16 | $7700.00 | Window Closed / Lapsed |