US3232358A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Cable plow
Assignee: Individual
•
Filing: 1963-03-21
•
Granted: 1966-02-01
•
Expires: 1983-03-21
Abstract
No abstract record available.
Inventors
- 👤 Robert C Heiberg
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-31 05:12
CPC Classifications
E; E02; E02F; E02F3/00; E02F3/04; E02F3/96; E02F3/961; E02F5/00; E02F5/02; E02F5/10; E02F5/102; E02F9/00; E02F9/20; E02F9/2016
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
116 words
AN CABLE LAYING PLOW COMPRISING A DRAFT ARM WHICH IS AN INTEGRAL PART OF THE PLOW, A FREE SWINGING VERTICAL PIVOTAL DRAFT CONNECTION IN THE FRONT END OF SAID DRAFT ARM FOR DETACHABLE CONNECTION WITH A TRACTOR HITCH TO PULL THE PLOW, A FURROW-FORMING PART WHICH IS SYMMETRICAL ON ITS OPPOSITE SIDES CONNECTED WITH THE TRAILING END OF SAID DRAFT ARM BY A VERTICAL PIVOT, AND CYLINDER AND PISTON MEANS INTERCONNECTING SAID DRAFT ARM AND FURROWFORMING PART TO TURN SAID FURROW-FORMING PART RELATIVE TO SAID DRAFT ARM AND CAUSE SAID FURROW-FORMING PART TO ACT AS A PARAVANE IN THE GROUND AND STEER THE PLOW ON A COURSE OFFSET TO ONE SIDE OF SAID PIVOTAL DRAFT CONNECTION.
Claim 2
Dependent Claim
116 words
AN CABLE LAYING PLOW COMPRISING A DRAFT ARM WHICH IS AN INTEGRAL PART OF THE PLOW, A FREE SWINGING VERTICAL PIVOTAL DRAFT CONNECTION IN THE FRONT END OF SAID DRAFT ARM FOR DETACHABLE CONNECTION WITH A TRACTOR HITCH TO PULL THE PLOW, A FURROW-FORMING PART WHICH IS SYMMETRICAL ON ITS OPPOSITE SIDES CONNECTED WITH THE TRAILING END OF SAID DRAFT ARM BY A VERTICAL PIVOT, AND CYLINDER AND PISTON MEANS INTERCONNECTING SAID DRAFT ARM AND FURROWFORMING PART TO TURN SAID FURROW-FORMING PART RELATIVE TO SAID DRAFT ARM AND CAUSE SAID FURROW-FORMING PART TO ACT AS A PARAVANE IN THE GROUND AND STEER THE PLOW ON A COURSE OFFSET TO ONE SIDE OF SAID PIVOTAL DRAFT CONNECTION.
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USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1969-01-31 | 1969-08-02 | 1970-02-01 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1973-01-31 | 1973-08-02 | 1974-02-01 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1977-01-31 | 1977-08-02 | 1978-02-01 | $7700.00 | Window Closed / Lapsed |