US2217467A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Apparatus for transferring liquefied gases
Assignee: Air Liquide SA
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Filing: 1939-03-23
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Granted: 1940-10-08
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Expires: 1959-03-23
Abstract
No abstract record available.
Inventors
- 👤 Bonnaud Henri
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-26 20:16
CPC Classifications
F; F17; F17C; F17C9/00; Y; Y10; Y10S; Y10S62/00; Y10S62/902; Y10S62/905; Y10S62/907; Y10S62/912; Y10S62/913
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) | 1943-10-08 | 1944-04-08 | 1944-10-08 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1947-10-08 | 1948-04-08 | 1948-10-08 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1951-10-08 | 1952-04-08 | 1952-10-08 | $7700.00 | Window Closed / Lapsed |