US3555794A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Cotton harvester with pneumatic green boll separator
Assignee: Case LLC
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Filing: 1968-07-01
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Granted: 1971-01-19
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Expires: 1988-07-01
Abstract
Abstract A COTTON HARVESTER EMPLOYING A STAGED SEPARATOR INCLUDING A CURVING PNEUMATIC DELIVERY CONDUIT THROUGH WHICH A LAMINAL AIR STREAM IS BLOWN, AND THE CONDUIT HAVING LOUVER-LIKE BAFFLES ON THE INSIDE TURN OF THE CONDUIT WHICH INDUCES A SEPARATING ACCELERATION OF THE AIR STREAM THEREBY CONDUCING SEPARATION OF THE LINT COTTON FROM HEAVIER GREEN BOLLS WHICH DROP OUT OF THE AIR FLOW.
Inventors
- 👤 Wyatt T Gable Jr
- 👤 Charles G Barfield
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-29 18:22
CPC Classifications
A; A01; A01D; A01D46/00; A01D46/08
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) | 1974-01-18 | 1974-07-20 | 1975-01-19 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1978-01-18 | 1978-07-20 | 1979-01-19 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1982-01-18 | 1982-07-20 | 1983-01-19 | $7700.00 | Window Closed / Lapsed |