US2664255A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Hydraulic locking mechanism
Assignee: Consolidated Vultee Aircraft Corp
•
Filing: 1949-02-14
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Granted: 1953-12-29
•
Expires: 1969-02-14
Abstract
No abstract record available.
Inventors
- 👤 Ronald E Crandall
- 👤 Peter S Kleven
- 👤 Lee E Baldwin
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-25 10:05
CPC Classifications
B; B64; B64C; B64C13/00; B64C13/02; B64C13/04; B64C13/14
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US1176036A
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US1592912A
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US1945499A
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US2022599A
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US2068578A
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US2144135A
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US2366382A
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US2389274A
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US2402065A
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US2379750A
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US2493290A
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US2559968A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1956-12-28 | 1957-06-29 | 1957-12-29 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1960-12-28 | 1961-06-29 | 1961-12-29 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1964-12-28 | 1965-06-29 | 1965-12-29 | $7700.00 | Window Closed / Lapsed |