US2515519A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Air distributor valve and system for the elimination of ice from aircraft
Assignee: Bendix Aviation Corp
•
Filing: 1943-08-11
•
Granted: 1950-07-18
•
Expires: 1963-08-11
Abstract
No abstract record available.
Inventors
- 👤 Donald M Lawrence
- 👤 Gregg David
- 👤 Myron L Taylor
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-25 00:21
CPC Classifications
B; B64; B64D; B64D15/00; B64D15/16; B64D15/166; Y; Y10; Y10T; Y10T137/00; Y10T137/8593; Y10T137/86911; Y10T137/877; Y10T137/87829; Y10T137/87837; Y10T137/87861
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US361779A
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US833307A
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US1410098A
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US1583122A
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US2038039A
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US2089173A
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US2223570A
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US2217299A
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US2337426A
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US2335923A
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US2343918A
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USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1953-07-17 | 1954-01-16 | 1954-07-18 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1957-07-17 | 1958-01-16 | 1958-07-18 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1961-07-17 | 1962-01-16 | 1962-07-18 | $7700.00 | Window Closed / Lapsed |