US3207233A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Implement carriage for tractors
Assignee: EVERSMAN Manufacturing Co
•
Filing: 1964-06-12
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Granted: 1965-09-21
•
Expires: 1984-06-12
Abstract
No abstract record available.
Inventors
- 👤 Lawrence E Shumaker
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-01 04:12
CPC Classifications
A; A01; A01B; A01B51/00; A01B51/02; A01B51/026; A01B63/00; A01B63/14; A01B63/16; A01B63/22
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
128 words
AN IMPLEMENT SUPPORTING CARRIAGE, FOR ATTACHMENT TO A TRACTOR OF THE TYPE PROVIDED WITH A THREE-POINT HITCH HAVING A LOWER DRAG LINKS, AN UPPER VALVE-ACTUATING TOP LINK AND A HYDRAULIC MECHANISM CONTROLLED BY SAID VALVE FOR LIFTING SAID LOWER DRAG LINKS, COMPRISING: (A) AN IMPLMENET-CARRYING FRAME; (B) UPPER MEANS AT THE FRONT OF SAID FRAME FOR CONNECTING SAID FRAME TO SAID TOP LINK; (C) LOWER MEANS AT THE FRONT OF SAID FRAME BELOW SAID UPPER MEANS FOR CONNECTING SAID FRAME TO SAID LOWER DRAG LINKS TO SUPPORT THE FRONT OF SAID FRAME; (D) A PAIR OF REACH MEMBERS PIVOTED TO AND EXTENDING REARWARDLY AND DOWNWARDLY FROM EACH SIDE OF SAID FRAME; (E) A HORIZONTAL CASTER BEAM EXTENDING BETWEEN THE REAR EXTREMITIES OF SAID TWO PAIRS OF REACH MEMBERS;
Claim 2
Dependent Claim
128 words
AN IMPLEMENT SUPPORTING CARRIAGE, FOR ATTACHMENT TO A TRACTOR OF THE TYPE PROVIDED WITH A THREE-POINT HITCH HAVING A LOWER DRAG LINKS, AN UPPER VALVE-ACTUATING TOP LINK AND A HYDRAULIC MECHANISM CONTROLLED BY SAID VALVE FOR LIFTING SAID LOWER DRAG LINKS, COMPRISING: (A) AN IMPLMENET-CARRYING FRAME; (B) UPPER MEANS AT THE FRONT OF SAID FRAME FOR CONNECTING SAID FRAME TO SAID TOP LINK; (C) LOWER MEANS AT THE FRONT OF SAID FRAME BELOW SAID UPPER MEANS FOR CONNECTING SAID FRAME TO SAID LOWER DRAG LINKS TO SUPPORT THE FRONT OF SAID FRAME; (D) A PAIR OF REACH MEMBERS PIVOTED TO AND EXTENDING REARWARDLY AND DOWNWARDLY FROM EACH SIDE OF SAID FRAME; (E) A HORIZONTAL CASTER BEAM EXTENDING BETWEEN THE REAR EXTREMITIES OF SAID TWO PAIRS OF REACH MEMBERS;
References Cited (Backward Citations)
US2968356A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1968-09-20 | 1969-03-22 | 1969-09-21 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1972-09-20 | 1973-03-22 | 1973-09-21 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1976-09-20 | 1977-03-22 | 1977-09-21 | $7700.00 | Window Closed / Lapsed |