Patent US3057447A successfully refreshed from Google Patents.
US3057447A
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Electromagnetic synchronizers
Assignee: Renault SA
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Filing: 1959-05-22
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Granted: 1962-10-09
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Expires: 1979-05-22
Abstract
No abstract record available.
Inventors
- 👤 Peras Lucien
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-30 06:03
CPC Classifications
F; F16; F16D; F16D23/00; F16D23/02; F16D23/04; F16D23/06; F16D27/00; F16D27/12; F16D2023/0643; F16H; F16H63/00; F16H63/02; F16H63/30; F16H63/304; F16H2063/3046
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US1049957A
Cited
AT67013B
Cited
US1756907A
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FR685198A
Cited
FR37818E
Cited
US2070140A
Cited
US2338428A
Cited
US2467987A
Cited
US2554740A
Cited
US2861665A
Cited
US2940570A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1965-10-08 | 1966-04-09 | 1966-10-09 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1969-10-08 | 1970-04-09 | 1970-10-09 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1973-10-08 | 1974-04-09 | 1974-10-09 | $7700.00 | Window Closed / Lapsed |