US2657535A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Hydraulic remote control system, including transmitter and receiver stations and means for automatically resynchronizing the receiver
Assignee: Societe dInventions Aeronautiques et Mechaniques SIAM SA
•
Filing: 1947-05-05
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Granted: 1953-11-03
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Expires: 1967-05-05
Abstract
No abstract record available.
Inventors
- 👤 Levy Rene Lucien
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-23 22:37
CPC Classifications
F; F15; F15B; F15B7/00; F15B7/008; F15B7/005; F15B7/006
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US375674A
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US625352A
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US966479A
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US1213721A
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US1446261A
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US1633463A
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GB522119A
Cited
US2287960A
Cited
GB561245A
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US2383180A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1956-11-02 | 1957-05-04 | 1957-11-03 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1960-11-02 | 1961-05-04 | 1961-11-03 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1964-11-02 | 1965-05-04 | 1965-11-03 | $7700.00 | Window Closed / Lapsed |