US2810304A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Apparatus for controlling the transmission of torque
Assignee: Joy Manufacturing Co
•
Filing: 1952-09-18
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Granted: 1957-10-22
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Expires: 1972-09-18
Abstract
No abstract record available.
Inventors
- 👤 Charles F Ball
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-27 05:40
CPC Classifications
F; F16; F16H; F16H63/00; F16H63/02; F16H63/30; F16H63/3003; F16D; F16D43/00; F16D43/28; F16D43/286; F16H35/00; F16H35/10
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US206734A
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US1828860A
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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) | 1960-10-21 | 1961-04-22 | 1961-10-22 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1964-10-21 | 1965-04-22 | 1965-10-22 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1968-10-21 | 1969-04-22 | 1969-10-22 | $7700.00 | Window Closed / Lapsed |