US2889021A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Combined clutch-brake mechanism
Assignee: FERRACUTE MACHINE Co
•
Filing: 1956-10-25
•
Granted: 1959-06-02
•
Expires: 1976-10-25
Abstract
No abstract record available.
Inventors
- 👤 George E Bass
- 👤 Martindell Frank
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-03 19:53
CPC Classifications
F; F16; F16D; F16D67/00; F16D67/02; F16D67/04
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US2021773A
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US2060692A
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US2095094A
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US2252906A
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US2584192A
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US2770443A
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US2674356A
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US2747714A
Cited
US2778456A
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US2771966A
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US2778452A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1962-06-01 | 1962-12-01 | 1963-06-02 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1966-06-01 | 1966-12-01 | 1967-06-02 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1970-06-01 | 1970-12-01 | 1971-06-02 | $7700.00 | Window Closed / Lapsed |