US2441089A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Aircraft cabin pressure control means
Assignee: Bendix Aviation Corp
•
Filing: 1944-05-16
•
Granted: 1948-05-04
•
Expires: 1964-05-16
Abstract
No abstract record available.
Inventors
- 👤 Jr Walter D Teague
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-24 22:26
CPC Classifications
B; B64; B64D; B64D13/00; B64D13/02; Y; Y10; Y10T; Y10T137/00; Y10T137/7722; Y10T137/7781; Y10T137/7793; Y10T137/7831
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US1240461A
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US1760067A
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US2002057A
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US2208554A
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GB521623A
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US2316237A
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US2307199A
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US2316416A
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US2396116A
Cited
US2399326A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1951-05-04 | 1951-11-03 | 1952-05-04 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1955-05-04 | 1955-11-03 | 1956-05-04 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1959-05-04 | 1959-11-03 | 1960-05-04 | $7700.00 | Window Closed / Lapsed |