Patent US3589901A successfully refreshed from Google Patents.
Patent US2698005A successfully refreshed from Google Patents.
US2698005A
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Remote control for servo mechanisms employing periodically actuated valves
Assignee: DITE SOCIETE CIVILE D'ETUDES POUR MATERIEL DE FONDERIE Ste
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Filing: 1950-09-20
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Granted: 1954-12-28
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Expires: 1970-09-20
Abstract
No abstract record available.
Inventors
- 👤 Fouron Pierre
- 👤 Bourret Georges
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-26 21:34
CPC Classifications
F; F15; F15B; F15B21/00; F15B21/02
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US1194676A
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US1321105A
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US881935A
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US1231628A
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US1345686A
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US1785998A
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US2019766A
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US2113249A
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US2350763A
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USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1957-12-27 | 1958-06-28 | 1958-12-28 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1961-12-27 | 1962-06-28 | 1962-12-28 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1965-12-27 | 1966-06-28 | 1966-12-28 | $7700.00 | Window Closed / Lapsed |