Patent US2240891A successfully refreshed from Google Patents.
US3552108A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Berry harvesting machine
Assignee: BEI Inc
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Filing: 1968-07-03
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Granted: 1971-01-05
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Expires: 1988-07-03
Abstract
Abstract A MOBILE CARRIAGE SUPPORTS A SUCTION HOOD TO ADVANCE THE OPEN LOWER END OF THE HOOD IN CLOSELY SPACED RELATION OVER THE PLANT BED. A BLOWER ON THE CARRIAGE SUCKS AIR THROUGH THE HOOD AT 6000 FPM TO LIFT THE BERRIES OFF THE GROUND. A SERIES OF PICKING COMBS ARE ADVANCED AROUNG A CONVEYOR IN THE HOOD TO PULL THE BERRIES FROM THEIR STEMS. BRUSHES ALTERNATED BETWEEN THE PICKING COMBS SWEEP AWAY FOLIAGE AND ASSIST THE AIR FLOW IN LIFTING THE BERRIES UPRIGHT. THE CONVEYOR DISCHARGES THE BERRIES INTO A ROTATING AIR LOCK VALVE FROM WHERE THEY ARE DISCHARGED TO A RECEIVING CONTAINER.
Inventors
- 👤 Ahmed A Kattan
- 👤 Glenn S Nelson
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-31 08:36
CPC Classifications
A; A01; A01D; A01D46/00
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
No citation records indexed.
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1974-01-04 | 1974-07-06 | 1975-01-05 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1978-01-04 | 1978-07-06 | 1979-01-05 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1982-01-04 | 1982-07-06 | 1983-01-05 | $7700.00 | Window Closed / Lapsed |