US3064455A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Safety friction clutch
Assignee: Rolls Royce Solutions GmbH
•
Filing: 1961-10-04
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Granted: 1962-11-20
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Expires: 1981-10-04
Abstract
No abstract record available.
Inventors
- 👤 Gros Hermann
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-31 09:23
CPC Classifications
F; F02; F02N; F02N15/00; F02N15/02; F02N15/021; F16; F16D; F16D43/00; F16D43/02; F16D43/20; F16D43/21; F16D43/213; F16D43/215; F16D43/216
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1965-11-19 | 1966-05-21 | 1966-11-20 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1969-11-19 | 1970-05-21 | 1970-11-20 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1973-11-19 | 1974-05-21 | 1974-11-20 | $7700.00 | Window Closed / Lapsed |