US2552571A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Aircraft brake cooling means
Assignee: Individual
•
Filing: 1946-06-01
•
Granted: 1951-05-15
•
Expires: 1966-06-01
Abstract
No abstract record available.
Inventors
- 👤 Mercier Pierre Ernest
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-24 22:19
CPC Classifications
F; F16; F16D; F16D65/00; F16D65/78; F16D65/84; F16D65/847; B; B64; B64C; B64C25/00; B64C25/32; B64C25/42; F16D55/00; F16D55/02; F16D55/04; F16D55/06; F16D65/02; F16D65/12; F16D65/128; F16D69/00; F16D2069/004
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
FR742120A
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US854720A
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US2020748A
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US2165978A
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US2248684A
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US2241193A
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US2238943A
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US2199785A
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US2380085A
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US2412432A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1954-05-14 | 1954-11-13 | 1955-05-15 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1958-05-14 | 1958-11-13 | 1959-05-15 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1962-05-14 | 1962-11-13 | 1963-05-15 | $7700.00 | Window Closed / Lapsed |