US2550844A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Natural gas storage
Assignee: Individual
•
Filing: 1946-06-14
•
Granted: 1951-05-01
•
Expires: 1966-06-14
Abstract
No abstract record available.
Inventors
- 👤 Daniel V Meiller
- 👤 Mathew G Markle
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-31 11:11
CPC Classifications
F; F17; F17C; F17C3/00; F17C3/005; F17C2201/00; F17C2201/01; F17C2201/0104; F17C2201/0109; F17C2203/00; F17C2203/06; F17C2203/0634; F17C2203/0636; F17C2203/0639; F17C2205/00; F17C2205/01; F17C2205/0123; F17C2205/013; F17C2205/0134; F17C2205/0142; F17C2205/0146; F17C2205/03; F17C2205/0302; F17C2205/0323; F17C2205/0338; F17C2221/00; F17C2221/03; F17C2221/032; F17C2221/033; F17C2223/00; F17C2223/01; F17C2223/0107; F17C2223/0123; F17C2223/03; F17C2223/036; F17C2225/00; F17C2225/01; F17C2225/0107; F17C2225/0123; F17C2227/00; F17C2227/01; F17C2227/0128; F17C2227/0157; F17C2227/0171; F17C2227/0185; F17C2227/03; F17C2227/0302; F17C2250/00; F17C2250/06; F17C2250/0605; F17C2250/0626; F17C2270/00; F17C2270/01; F17C2270/0142; F17C2270/0144; F17C2270/0147; Y; Y10; Y10T; Y10T137/00; Y10T137/4673; Y10T137/4857; Y10T137/6851; Y10T137/6966; Y10T137/6991
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) | 1954-04-30 | 1954-10-30 | 1955-05-01 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1958-04-30 | 1958-10-30 | 1959-05-01 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1962-04-30 | 1962-10-30 | 1963-05-01 | $7700.00 | Window Closed / Lapsed |