US2467560A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Hydraulic braking system
Assignee: WARNER AIRERAFT CORP
•
Filing: 1944-12-26
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Granted: 1949-04-19
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Expires: 1964-12-26
Abstract
No abstract record available.
Inventors
- 👤 Ludwig A Majneri
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-28 10:15
CPC Classifications
B; B64; B64C; B64C25/00; B64C25/32; B64C25/42; B64C25/44; B64C25/48; B62; B62D; B62D11/00; B62D11/02; B62D11/06; B62D11/08
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US1938979A
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US2009515A
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US2306346A
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US2148268A
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US2213947A
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US2312726A
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US2254890A
Cited
US2331214A
Cited
US2367194A
Cited
US2394343A
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US2366606A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1952-04-18 | 1952-10-18 | 1953-04-19 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1956-04-18 | 1956-10-18 | 1957-04-19 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1960-04-18 | 1960-10-18 | 1961-04-19 | $7700.00 | Window Closed / Lapsed |