US2749767A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Power transmission
Assignee: Individual
•
Filing: 1951-01-02
•
Granted: 1956-06-12
•
Expires: 1971-01-02
Abstract
No abstract record available.
Inventors
- 👤 Ebsworth Richard Henry
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-02 02:58
CPC Classifications
F; F16; F16H; F16H61/00; F16H61/02; F16H61/0262; F16H2718/00; F16H2718/02; F16H2718/06; Y; Y10; Y10S; Y10S74/00; Y10S74/01
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
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US1365112A
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US1673863A
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US2144270A
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GB513274A
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US2221393A
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US2352212A
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US2343955A
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US2407289A
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US2409506A
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US2404623A
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US2519022A
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US2516203A
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US2507051A
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US2645137A
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US2609706A
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USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1959-06-12 | 1959-12-12 | 1960-06-12 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1963-06-12 | 1963-12-12 | 1964-06-12 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1967-06-12 | 1967-12-12 | 1968-06-12 | $7700.00 | Window Closed / Lapsed |