US2601761A
Expired / Lapsed
US
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Hydropneumatically controlled servomotor
Assignee: ILE D ETUDES POUR MATERIEL DE
•
Filing: 1951-11-19
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Granted: 1952-07-01
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Expires: 1971-11-19
Abstract
No abstract record available.
Inventors
- 👤 Fouron Pierre
- 👤 Malabry Chatenay
- 👤 Bourret Georges
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-05 19:35
CPC Classifications
F; F15; F15B; F15B11/00; F15B11/06; F15B11/072; F15B11/0725; F15B11/02; F15B11/028; F15B11/032; F15B11/0325; F15B2211/00; F15B2211/20; F15B2211/21; F15B2211/216; F15B2211/70; F15B2211/705; F15B2211/7051; F15B2211/7053; F15B2211/775
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US825301A
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US2365536A
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US2319950A
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US2324149A
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US2432088A
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US2396778A
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US2396539A
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FR929959A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1955-07-01 | 1955-12-31 | 1956-07-01 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1959-07-01 | 1959-12-31 | 1960-07-01 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1963-07-01 | 1963-12-31 | 1964-07-01 | $7700.00 | Window Closed / Lapsed |