US2528780A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Apparatus for dispensing liquefied gases
Assignee: Linde Air Products Co
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Filing: 1946-01-31
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Granted: 1950-11-07
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Expires: 1966-01-31
Abstract
No abstract record available.
Inventors
- 👤 Albert L Preston
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-05 15:56
CPC Classifications
F; F17; F17C; F17C9/00; F17C9/02; F17C2201/00; F17C2201/01; F17C2201/0128; F17C2201/03; F17C2201/032; F17C2203/00; F17C2203/01; F17C2203/014; F17C2203/015; F17C2203/018; F17C2203/03; F17C2203/0304; F17C2203/0308; F17C2203/0391; F17C2203/06; F17C2203/0602; F17C2203/0612; F17C2203/0626; F17C2203/0629; F17C2205/00; F17C2205/03; F17C2205/0302; F17C2205/0323; F17C2205/0329; F17C2205/0332; F17C2221/00; F17C2221/01; F17C2221/011; F17C2223/00; F17C2223/01; F17C2223/0146; F17C2223/0153; F17C2223/0161; F17C2223/03; F17C2223/033; F17C2223/04; F17C2223/042; F17C2223/046; F17C2223/047; F17C2225/00; F17C2225/01; F17C2225/0107; F17C2225/0123; F17C2227/00; F17C2227/03; F17C2227/0302; F17C2227/0304; F17C2227/0367; F17C2227/0369; F17C2227/0376; F17C2227/0383; F17C2227/0386; F17C2227/0388; F17C2227/0393; F17C2250/00; F17C2250/04; F17C2250/0404; F17C2250/0408; F17C2250/06; F17C2250/0605; F17C2250/0626; F17C2270/00; F17C2270/01; F17C2270/0186; F17C2270/0189; F17C2270/02; F17C2270/025; Y; Y10; Y10S; Y10S220/00; Y10S220/901; Y10S62/00; Y10S62/13; Y10T; Y10T137/00; Y10T137/6416; Y10T137/6525; Y10T137/6606; Y10T137/6851; Y10T137/7039
Claims Analysis
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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) | 1953-11-06 | 1954-05-08 | 1954-11-07 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1957-11-06 | 1958-05-08 | 1958-11-07 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1961-11-06 | 1962-05-08 | 1962-11-07 | $7700.00 | Window Closed / Lapsed |