US2863326A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Electrocentrifugal clutches
Assignee: Valeo SE
•
Filing: 1955-05-17
•
Granted: 1958-12-09
•
Expires: 1975-05-17
Abstract
No abstract record available.
Inventors
- 👤 Maurice Jean
- 👤 Rist Michel
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-04 22:37
CPC Classifications
F; F16; F16D; F16D27/00; F16D43/00; F16D43/02; F16D43/04; F16D43/14; F16D43/18; F16D47/00; F16D48/00; F16D48/06; F16D48/064; F16D67/00; F16D67/02; F16D67/06; F16D2043/145; F16D2500/00; F16D2500/10; F16D2500/102; F16D2500/1021; F16D2500/1022; F16D2500/104; F16D2500/10406; F16D2500/10412; F16D2500/10443; F16D2500/1045; F16D2500/10481; F16D2500/30; F16D2500/304; F16D2500/3041; F16D2500/30415; F16D2500/314; F16D2500/3146; F16D2500/31466; F16D2500/70; F16D2500/702; F16D2500/70252; F16D2500/7027; F16D2500/704; F16D2500/70402; F16D2500/7041; F16D2500/70418
Claims Analysis
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References Cited (Backward Citations)
FR965620A
Cited
US2055300A
Cited
US2101946A
Cited
US2375782A
Cited
GB617406A
Cited
CH285971A
Cited
FR1098115A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1961-12-08 | 1962-06-09 | 1962-12-09 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1965-12-08 | 1966-06-09 | 1966-12-09 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1969-12-08 | 1970-06-09 | 1970-12-09 | $7700.00 | Window Closed / Lapsed |