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US2586136A
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Rotary hydraulic coupling
Assignee: Individual
•
Filing: 1947-10-03
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Granted: 1952-02-19
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Expires: 1967-10-03
Abstract
No abstract record available.
Inventors
- 👤 Wyndham Charles Alfred
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-09 22:23
CPC Classifications
F; F16; F16D; F16D33/00; F16D33/02
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
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US1125593A
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US1339044A
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US1428586A
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US1616252A
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US2006136A
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US2251972A
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US2358473A
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US2384841A
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US2392520A
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US2283842A
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US2465739A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1955-02-18 | 1955-08-20 | 1956-02-19 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1959-02-18 | 1959-08-20 | 1960-02-19 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1963-02-18 | 1963-08-20 | 1964-02-19 | $7700.00 | Window Closed / Lapsed |