US2444209A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Electronic timer control for inflatable boots on aircraft
Assignee: Bendix Aviation Corp
•
Filing: 1944-12-18
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Granted: 1948-06-29
•
Expires: 1964-12-18
Abstract
No abstract record available.
Inventors
- 👤 William B Pond
- 👤 Frank J Hart
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-22 23:42
CPC Classifications
B; B64; B64D; B64D15/00; B64D15/16; B64D15/166
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US1880367A
Cited
US1937869A
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US2127080A
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US2250847A
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US2358804A
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US2373255A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1951-06-29 | 1951-12-29 | 1952-06-29 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1955-06-29 | 1955-12-29 | 1956-06-29 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1959-06-29 | 1959-12-29 | 1960-06-29 | $7700.00 | Window Closed / Lapsed |