US2018144A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Method and apparatus for transferring gas material
Assignee: Linde Air Products Co
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Filing: 1933-04-29
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Granted: 1935-10-22
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Expires: 1953-04-29
Abstract
No abstract record available.
Inventors
- 👤 William F Mesinger
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-24 01:11
CPC Classifications
F; F04; F04B; F04B7/00; F04B7/04; F04B15/00; F04B15/06; F04B15/08; F04B23/00; F04B23/02; F04B23/021; F04B23/023; F04B5/00; F04B5/02; F17; F17C; F17C9/00; F17C2203/00; F17C2203/01; F17C2203/014; F17C2203/016; F17C2203/03; F17C2203/06; F17C2203/0602; F17C2203/0612; F17C2203/0626; F17C2203/0629; F17C2223/00; F17C2223/01; F17C2223/0146; F17C2223/0153; F17C2223/04; F17C2223/042; F17C2223/046; F17C2227/00; F17C2227/01; F17C2227/0128; F17C2227/0135; Y; Y10; Y10S; Y10S417/00; Y10S417/901; Y10T; Y10T137/00; Y10T137/6416; Y10T137/6552
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
No citation records indexed.
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1938-10-21 | 1939-04-22 | 1939-10-22 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1942-10-21 | 1943-04-22 | 1943-10-22 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1946-10-21 | 1947-04-22 | 1947-10-22 | $7700.00 | Window Closed / Lapsed |