US2536473A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Disengageable coupling for conveying rotary motion
Assignee: Individual
•
Filing: 1944-11-30
•
Granted: 1951-01-02
•
Expires: 1964-11-30
Abstract
No abstract record available.
Inventors
- 👤 Sinclair Harold
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-08 17:51
CPC Classifications
F; F16; F16D; F16D33/00; F16D33/06; F16D33/08; F16D33/14
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
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US1978172A
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US2102755A
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US2084219A
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US2049673A
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US2161398A
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US2187656A
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US2264340A
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US2299883A
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US2280042A
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US2299049A
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US2352483A
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US2421501A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1954-01-01 | 1954-07-03 | 1955-01-02 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1958-01-01 | 1958-07-03 | 1959-01-02 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1962-01-01 | 1962-07-03 | 1963-01-02 | $7700.00 | Window Closed / Lapsed |