US2682154A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Storage of liquefied gases
Assignee: Airco Inc
•
Filing: 1949-06-21
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Granted: 1954-06-29
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Expires: 1969-06-21
Abstract
No abstract record available.
Inventors
- 👤 Wilkinson Walter
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-23 16:35
CPC Classifications
F; F17; F17C; F17C13/00; F17C13/02; F17C13/12; F17C2201/00; F17C2201/01; F17C2201/0104; F17C2203/00; F17C2203/06; F17C2203/0634; F17C2203/0636; F17C2205/00; F17C2205/01; F17C2205/0123; F17C2205/013; F17C2205/0134; F17C2205/0146; F17C2205/03; F17C2205/0302; F17C2205/0323; F17C2205/0332; F17C2221/00; F17C2221/01; F17C2221/011; F17C2221/014; F17C2223/00; F17C2223/01; F17C2223/0146; F17C2223/0153; F17C2223/0161; F17C2223/03; F17C2223/033; F17C2225/00; F17C2225/01; F17C2225/0107; F17C2225/0123; F17C2227/00; F17C2227/01; F17C2227/0128; F17C2227/0135; F17C2227/0157; F17C2227/03; F17C2227/0302; F17C2227/0304; F17C2227/0337; F17C2227/0339; F17C2227/0341; F17C2227/0348; F17C2227/0367; F17C2227/0388; F17C2227/0393; F17C2265/00; F17C2265/03; F17C2265/032; F17C2265/033; F17C2265/034; F17C2265/037
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US1371427A
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US1963922A
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US2360468A
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US2529782A
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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) | 1957-06-28 | 1957-12-28 | 1958-06-29 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1961-06-28 | 1961-12-28 | 1962-06-29 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1965-06-28 | 1965-12-28 | 1966-06-29 | $7700.00 | Window Closed / Lapsed |