US2802336A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Fluid motor driven shaker conveyor
Assignee: Joy Manufacturing Co
•
Filing: 1953-07-23
•
Granted: 1957-08-13
•
Expires: 1973-07-23
Abstract
No abstract record available.
Inventors
- 👤 Charles F Ball
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-26 22:16
CPC Classifications
B; B65; B65G; B65G27/00; B65G27/10; B65G27/12; B65G27/14; B65G27/16; B65G27/22
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US1714545A
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GB296090A
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US2021066A
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GB485690A
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US2214755A
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US2141703A
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US2240011A
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US2614388A
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US2572748A
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US2663143A
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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) | 1960-08-12 | 1961-02-11 | 1961-08-13 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1964-08-12 | 1965-02-11 | 1965-08-13 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1968-08-12 | 1969-02-11 | 1969-08-13 | $7700.00 | Window Closed / Lapsed |