US3437152A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Apparatus for pulling stalks
Assignee: THOMAS A BARRENTINE
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Filing: 1965-09-23
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Granted: 1969-04-08
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Expires: 1985-09-23
Abstract
No abstract record available.
Inventors
- 👤 Thomas A Barrentine
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-01 11:39
CPC Classifications
A; A01; A01D; A01D34/00; A01D34/835; A01D34/8355; A01B; A01B39/00; A01B39/08; A01B39/085; A01D33/00; A01D33/06
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
153 words
IN APPARATUS FOR PULLING STALKS FROM A ROW OF THE SAME, (A) A FRAME SUPPORTED FROM THE GROUND FOR TRANSLATORY MOVEMENT DOWN THE ROW OF STALKS TO BE PULLED, (B) A PAIR OF PNEUMATIC TIRED WHEELS HAVING THEIR PERIPHERIES IN PRESSURE CONTACT WITH EACH OTHER AND THUS FORMING A NIP FOR THE STALKS, (C) MEANS MOUNTING THE WHEELS FOR ROTATION IN UNISON AND IN A PLANE AT AN ANGLE TO THE GROUND AND WITH THE LOWER END OF SAID NIP THEREBETWEEN PRECEDING THE UPPER END WHEN CONSIDERING THE DIRECTION OF MOVEMENT OF THE APPARATUS, (D) CONVEYING MEANS LOCATED IMMEDIATELY ADJACENT TTHE UPPER, DISCHARGE END OF THE NIP AND DISPOSED AS STALKS ARE DISCHARGED FROM THE NIP TO MOVE THE STALKS REARWARDLY, AND (E) MEANS IMMEDIATELY REARWARDLY OF THE CONVEYING MEANS EFFECTIVE TO ENGAGE THE REARWARDLY MOVING STALKS AND COMMINUTE THE REARWARD ENDS THEREOF WHILE THE FORWARD PORTIONS ARE STILL ENGAGED BETWEEN SAID NIP.
Claim 2
Dependent Claim
153 words
IN APPARATUS FOR PULLING STALKS FROM A ROW OF THE SAME, (A) A FRAME SUPPORTED FROM THE GROUND FOR TRANSLATORY MOVEMENT DOWN THE ROW OF STALKS TO BE PULLED, (B) A PAIR OF PNEUMATIC TIRED WHEELS HAVING THEIR PERIPHERIES IN PRESSURE CONTACT WITH EACH OTHER AND THUS FORMING A NIP FOR THE STALKS, (C) MEANS MOUNTING THE WHEELS FOR ROTATION IN UNISON AND IN A PLANE AT AN ANGLE TO THE GROUND AND WITH THE LOWER END OF SAID NIP THEREBETWEEN PRECEDING THE UPPER END WHEN CONSIDERING THE DIRECTION OF MOVEMENT OF THE APPARATUS, (D) CONVEYING MEANS LOCATED IMMEDIATELY ADJACENT TTHE UPPER, DISCHARGE END OF THE NIP AND DISPOSED AS STALKS ARE DISCHARGED FROM THE NIP TO MOVE THE STALKS REARWARDLY, AND (E) MEANS IMMEDIATELY REARWARDLY OF THE CONVEYING MEANS EFFECTIVE TO ENGAGE THE REARWARDLY MOVING STALKS AND COMMINUTE THE REARWARD ENDS THEREOF WHILE THE FORWARD PORTIONS ARE STILL ENGAGED BETWEEN SAID NIP.
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) | 1972-04-07 | 1972-10-07 | 1973-04-08 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1976-04-07 | 1976-10-07 | 1977-04-08 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1980-04-07 | 1980-10-07 | 1981-04-08 | $7700.00 | Window Closed / Lapsed |