Patent US2456760A successfully refreshed from Google Patents.
US2456760A
Expired / Lapsed
US
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Endless conveyer, including movable cutoff and culling means in its feed structure
Assignee: Jeffrey Manufacturing Co
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Filing: 1944-01-27
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Granted: 1948-12-21
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Expires: 1964-01-27
Abstract
No abstract record available.
Inventors
- 👤 Paul V Whitney
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-06 15:10
CPC Classifications
B; B65; B65G; B65G19/00; B65G19/14; B65G19/16
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
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US1618721A
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US1637601A
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US1714116A
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US1977513A
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US2007874A
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US2135665A
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US2170934A
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US2339491A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1951-12-21 | 1952-06-21 | 1952-12-21 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1955-12-21 | 1956-06-21 | 1956-12-21 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1959-12-21 | 1960-06-21 | 1960-12-21 | $7700.00 | Window Closed / Lapsed |