US2426630A
Expired / Lapsed
US
⏱️ 0.0 years remaining
High-pressure gaseous oxygen package
Assignee: Specialties Development Corp
•
Filing: 1943-09-27
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Granted: 1947-09-02
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Expires: 1963-09-27
Abstract
No abstract record available.
Inventors
- 👤 Mapes Daniel
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-02 18:35
CPC Classifications
F; F17; F17C; F17C1/00; F17C1/14; F17C2201/00; F17C2201/01; F17C2201/0104; F17C2201/0109; F17C2201/0128; F17C2201/05; F17C2201/058; F17C2203/00; F17C2203/06; F17C2203/0602; F17C2203/0604; F17C2203/0607; F17C2203/0612; F17C2203/0614; F17C2203/0621; F17C2203/0634; F17C2203/0636; F17C2203/0639; F17C2203/0646; F17C2203/0648; F17C2205/00; F17C2205/03; F17C2205/0302; F17C2205/0323; F17C2209/00; F17C2209/21; F17C2209/2154; F17C2209/22; F17C2209/225; F17C2221/00; F17C2221/01; F17C2221/011; F17C2223/00; F17C2223/01; F17C2223/0107; F17C2223/0123; F17C2223/03; F17C2223/033; F17C2223/035; F17C2260/00; F17C2260/01; F17C2260/011; F17C2260/02; F17C2260/023; F17C2260/05; F17C2260/053; F17C2270/00; F17C2270/01; F17C2270/0186; F17C2270/0189; F17C2270/02; F17C2270/025; Y; Y10; Y10S; Y10S220/00; Y10S220/90
Claims Analysis
Total Claims: 0
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USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1950-09-01 | 1951-03-03 | 1951-09-02 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1954-09-01 | 1955-03-03 | 1955-09-02 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1958-09-01 | 1959-03-03 | 1959-09-02 | $7700.00 | Window Closed / Lapsed |