Patent US3375646A successfully refreshed from Google Patents.
US3375646A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Corn harvester
Assignee: Dion Freres Inc
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Filing: 1965-06-07
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Granted: 1968-04-02
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Expires: 1985-06-07
Abstract
No abstract record available.
Inventors
- 👤 Dion Narcisse
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-27 12:56
CPC Classifications
A; A01; A01D; A01D45/00; A01D45/02; A01D45/021
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
171 words
A MACHINE FOR HARVESTING CORN IN THE FIELD, COMPRISING: (A) TWO UPWARD SPACED LATERAL OUTER WALLS DIVERGING FROM A CORN DISCHARGING END TO A GATHERING END; (B) A CENTRAL PART BETWEEN SAID TWO UPWARD WALLS HAVING REAR SIDE WALLS DEFINING WITH PORTIONS OF SAID UPWARD WALLS, ADJACENT SAID DISCHARGING ENDS, A PAIR OF NARROW GUIDING PASSAGES FOR THE CORN STALKS; (C) SAID CENTRAL PART ALSO HAVING A PAIR OF FORWARD SIDE WALLS EXTENDING FROM SAID REAR WALLS AND DIVERGING FROM SAID UPWARD WALLS TO DEFINE THEREWITH A PAIR OF GENERALLY TRIANGULAR GATHERING MOUTHS LEADING INTO SAID PASSAGES; (D) SAID OUTER, REAR AND FORWARD WALLS SO SHAPED AS TO DEFINE, AT THE JUNCTION OF SAID PASSAGES AND GATHERING MOUTH, PASSAGE OPENINGS HAVING A TRAPEZOIDAL SHAPE WITH A WIDE BASE AND A NARROW TOP OF A WIDTH GENERALLY EQUAL TO THAT OF THE PASSAGE; (E) CORN STALKS CUTTING MEANS TRANSVERSELY COMPLETELY OF SAID PASSAGE OPENINGS, ALONG SAID WIDE BASES THEREOF, AND (F) STALK GATHERING CHAIN MEANS ALONG SAID PASSAGES TO DRIVE STALKS THERETHROUGH.
Claim 2
Dependent Claim
171 words
A MACHINE FOR HARVESTING CORN IN THE FIELD, COMPRISING: (A) TWO UPWARD SPACED LATERAL OUTER WALLS DIVERGING FROM A CORN DISCHARGING END TO A GATHERING END; (B) A CENTRAL PART BETWEEN SAID TWO UPWARD WALLS HAVING REAR SIDE WALLS DEFINING WITH PORTIONS OF SAID UPWARD WALLS, ADJACENT SAID DISCHARGING ENDS, A PAIR OF NARROW GUIDING PASSAGES FOR THE CORN STALKS; (C) SAID CENTRAL PART ALSO HAVING A PAIR OF FORWARD SIDE WALLS EXTENDING FROM SAID REAR WALLS AND DIVERGING FROM SAID UPWARD WALLS TO DEFINE THEREWITH A PAIR OF GENERALLY TRIANGULAR GATHERING MOUTHS LEADING INTO SAID PASSAGES; (D) SAID OUTER, REAR AND FORWARD WALLS SO SHAPED AS TO DEFINE, AT THE JUNCTION OF SAID PASSAGES AND GATHERING MOUTH, PASSAGE OPENINGS HAVING A TRAPEZOIDAL SHAPE WITH A WIDE BASE AND A NARROW TOP OF A WIDTH GENERALLY EQUAL TO THAT OF THE PASSAGE; (E) CORN STALKS CUTTING MEANS TRANSVERSELY COMPLETELY OF SAID PASSAGE OPENINGS, ALONG SAID WIDE BASES THEREOF, AND (F) STALK GATHERING CHAIN MEANS ALONG SAID PASSAGES TO DRIVE STALKS THERETHROUGH.
References Cited (Backward Citations)
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1971-04-02 | 1971-10-02 | 1972-04-02 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1975-04-02 | 1975-10-02 | 1976-04-02 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1979-04-02 | 1979-10-02 | 1980-04-02 | $7700.00 | Window Closed / Lapsed |