Patent US2472622A successfully refreshed from Google Patents.
US2472622A
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US
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Vapor recovery system for airplane fuel tanks
Assignee: Consolidated Vultee Aircraft Corp
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Filing: 1944-12-09
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Granted: 1949-06-07
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Expires: 1964-12-09
Abstract
No abstract record available.
Inventors
- 👤 Arthur J Savard
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-26 21:59
CPC Classifications
B; B64; B64D; B64D37/00; B64D37/34; Y; Y10; Y10S; Y10S62/00; Y10S62/05
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US1584671A
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US1626733A
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US1981965A
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US2191490A
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US2136532A
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US2300332A
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US2268884A
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US2325931A
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US2357947A
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US2379215A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1952-06-06 | 1952-12-06 | 1953-06-07 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1956-06-06 | 1956-12-06 | 1957-06-07 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1960-06-06 | 1960-12-06 | 1961-06-07 | $7700.00 | Window Closed / Lapsed |