US2747711A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Multiple clutch-coupling unit
Assignee: Rexnord Industries LLC
•
Filing: 1950-06-30
•
Granted: 1956-05-29
•
Expires: 1970-06-30
Abstract
No abstract record available.
Inventors
- 👤 Walter P Schmitter
- 👤 Alfred G Bade
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-29 06:26
CPC Classifications
F; F16; F16D; F16D21/00; F16D21/02; F16D21/06
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US918652A
Cited
US951235A
Cited
GB191017511A
Cited
US1233561A
Cited
US1671443A
Cited
US2028500A
Cited
US2183761A
Cited
US2169639A
Cited
US2055014A
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US2097856A
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US2290542A
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US2303201A
Cited
US2298645A
Cited
US2524311A
Cited
US2396361A
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US2467829A
Cited
US2386478A
Cited
US2395459A
Cited
US2498123A
Cited
US2608275A
Cited
US2604197A
Cited
US2523501A
Cited
US2481834A
Cited
US2586617A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1959-05-29 | 1959-11-28 | 1960-05-29 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1963-05-29 | 1963-11-28 | 1964-05-29 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1967-05-29 | 1967-11-28 | 1968-05-29 | $7700.00 | Window Closed / Lapsed |