US3138909A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Variable discharge crop harvester
Assignee: Harrison Mcgregor and Guest Ltd
•
Filing: 1960-06-16
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Granted: 1964-06-30
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Expires: 1980-06-16
Abstract
No abstract record available.
Inventors
- 👤 Williams Frederick
- 👤 Bowditch Harold Glenn
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-29 01:33
CPC Classifications
A; A01; A01D; A01D90/00
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
153 words
AN AGRICULTURAL APPARATUS FOR CUTTING CROP MATERIAL AND FOR SECTIVELY LOADING IT AND UNLOADING IT WITH RESPECT TO A LOAD CARRYING BODY, SAID AGRICULTURAL APPARATUS COMPRISING A FLAIL ASSEMBLY HAVING A ROTATABLY MOUNTED FLAIL SPONDING ENDS TO SAID SHAFT, AN OPEN BOTTOMED SHROUD PARTIALLY ENCIRCLING AND BEING COEXTENSIVE WITH SAID FLAIL ASSEMBLY, SAID SHROUD HAVING DIFFERENT DIRECTED MATERIAL DISCHARGE OPENINGS THROUGH WHICH SAID FLAILS ARE OPERABLE TO IMPEL CUT CROP MATERIAL UPON ROTATION OF SAID SHAFT, AND CLOSURE MEANS FOR SAID DISCHARGE OPENINGS COMPRISING A PAIR OF CURVED PLATE MEMBERS ASSOCIATED ONE WITH EACH OF SAID DISCHARGE OPENING, MEANS MOUNTING EACH OF SAID PLATE MEMBERS FOR SWINGING MOVEMENT ABOUT AN AXIS COINCIDENT WITH THE ROTATIONAL AXIS OF SAID SHAFT AND BETWEEN TWO ANGULARLY SPACED POSITIONS WHERE EACH OF SAID PLATE MEMBERS IS RESPECTIVELY DISPOSED TO COVER AND THEREBY BLANK OFF ITS ASSOCIATED DISCHARGE OPENING AND TO UNCOVER ITS ASSOCIATED DISCHARGE OPENING PERMITTING SAID
Claim 2
Dependent Claim
153 words
AN AGRICULTURAL APPARATUS FOR CUTTING CROP MATERIAL AND FOR SECTIVELY LOADING IT AND UNLOADING IT WITH RESPECT TO A LOAD CARRYING BODY, SAID AGRICULTURAL APPARATUS COMPRISING A FLAIL ASSEMBLY HAVING A ROTATABLY MOUNTED FLAIL SPONDING ENDS TO SAID SHAFT, AN OPEN BOTTOMED SHROUD PARTIALLY ENCIRCLING AND BEING COEXTENSIVE WITH SAID FLAIL ASSEMBLY, SAID SHROUD HAVING DIFFERENT DIRECTED MATERIAL DISCHARGE OPENINGS THROUGH WHICH SAID FLAILS ARE OPERABLE TO IMPEL CUT CROP MATERIAL UPON ROTATION OF SAID SHAFT, AND CLOSURE MEANS FOR SAID DISCHARGE OPENINGS COMPRISING A PAIR OF CURVED PLATE MEMBERS ASSOCIATED ONE WITH EACH OF SAID DISCHARGE OPENING, MEANS MOUNTING EACH OF SAID PLATE MEMBERS FOR SWINGING MOVEMENT ABOUT AN AXIS COINCIDENT WITH THE ROTATIONAL AXIS OF SAID SHAFT AND BETWEEN TWO ANGULARLY SPACED POSITIONS WHERE EACH OF SAID PLATE MEMBERS IS RESPECTIVELY DISPOSED TO COVER AND THEREBY BLANK OFF ITS ASSOCIATED DISCHARGE OPENING AND TO UNCOVER ITS ASSOCIATED DISCHARGE OPENING PERMITTING SAID
References Cited (Backward Citations)
FR1199177A
Cited
US2999346A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1967-06-30 | 1967-12-30 | 1968-06-30 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1971-06-30 | 1971-12-30 | 1972-06-30 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1975-06-30 | 1975-12-30 | 1976-06-30 | $7700.00 | Window Closed / Lapsed |