US2489258A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Fluid pressure actuated clutch
Assignee: Joy Manufacturing Co
•
Filing: 1944-10-26
•
Granted: 1949-11-29
•
Expires: 1964-10-26
Abstract
No abstract record available.
Inventors
- 👤 Charles N Bebinger
- 👤 Arden T Jones
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-26 20:35
CPC Classifications
B; B61; B61D; B61D7/00; B61D7/14; B61D7/16; B61D7/24; B61D7/28; F; F16; F16D; F16D21/00; F16D21/02; F16D21/06; Y; Y10; Y10S; Y10S82/00; Y10S82/905
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US244717A
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US947962A
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US1135073A
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US1197802A
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DE324297C
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US1490404A
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US1440341A
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US1480021A
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US1673466A
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US1867508A
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US2356598A
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US2355226A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1952-11-28 | 1953-05-30 | 1953-11-29 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1956-11-28 | 1957-05-30 | 1957-11-29 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1960-11-28 | 1961-05-30 | 1961-11-29 | $7700.00 | Window Closed / Lapsed |