US3206879A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Ditching plow having movable sections
Assignee: Geo E Grover & Sons
•
Filing: 1963-03-28
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Granted: 1965-09-21
•
Expires: 1983-03-28
Abstract
No abstract record available.
Inventors
- 👤 La Var M Grover
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-31 07:52
CPC Classifications
E; E02; E02F; E02F5/00; E02F5/02; E02F5/027
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
218 words
A DITCHER FOR ATTACHMENT TO A TRACTOR COMPRISING A GENERALLY V-SHAPED NOSE SECTION HAVING A PAIR OF REARWARDLY DIVERGING MOLDBOARDS RIGIDLY INTERCONNECTED WITH EACH OTHER, A CENTER SECTION COMPRISING A PAIR OF REARWARDLY DIVERGING MOULDBOARDS, MEANS INTERCONNECTING THE REARWARDLY DIVERGING MOLDBOARDS OF THE CENTER SECTION FOR FORMING A RIGID UNIT, MEANS ARTICULATELY CONNECTING THE CENTER SECTION WITH THE NOSE SECTION FOR RELATIVE PIVOTAL MOVEMENT ABOUT SUBSTANTIALLY A TRANSVERSE AXIS THEREBY ENABLING THE ANGULAR RELATIONSHIP OF THE CENTER SECTION AND THE NOSE SECTION TO BE ADJUSTED, AND A REAR SECTION COMPRISING A PARI OF REARWARDLY DIVERGING MOLDBOARDS, MEANS ADJUSTABLY CONNECTING THE MOLDBOARDS FORMING THE REAR SECTION TO THE MOLDBOARDS FORMING THE CENTER SECTION FOR PIVOTAL MOVEMENT ABOUT SUBSTANTIALY A VERTICAL AXIS WHEREBY THE MOLDBOARDS OF THE REAR SECTION MAY BE SWUNG LATERALLY INWARDLY TO A TETRACED POSITION OR TO A POSITION GENERALLY IN ALIGNMENT WITH THE MOLDBOARDS FORMTINT THE CENTER SECTION, THE ARTICULATE CONNECTION MEANS BETWEEN THE CENTER SECTION AND THE NOSE SECTION IS DISPOSED ADJACENT THE BOTTOM OF THE RESPECTIVE SECTION IS DISPOSED MOLDBOARDS FORMING THE CENTER SECTION BEING TELESCOPED INWRDLY OF THE MOLDBOARDS FORMING THE NOSE SECTION, AND AND ADJUSTABLE LENGTH TILT BAR INTERCONNECTING THE UPPER END PORTIONS OF THE NOSE SECTION AND CENTER SECTION FOR LOCKING THE NOSE SECTION AND CENTER SECTION IN ANGULARLY ADJUSTED POSITION.
Claim 2
Dependent Claim
218 words
A DITCHER FOR ATTACHMENT TO A TRACTOR COMPRISING A GENERALLY V-SHAPED NOSE SECTION HAVING A PAIR OF REARWARDLY DIVERGING MOLDBOARDS RIGIDLY INTERCONNECTED WITH EACH OTHER, A CENTER SECTION COMPRISING A PAIR OF REARWARDLY DIVERGING MOULDBOARDS, MEANS INTERCONNECTING THE REARWARDLY DIVERGING MOLDBOARDS OF THE CENTER SECTION FOR FORMING A RIGID UNIT, MEANS ARTICULATELY CONNECTING THE CENTER SECTION WITH THE NOSE SECTION FOR RELATIVE PIVOTAL MOVEMENT ABOUT SUBSTANTIALLY A TRANSVERSE AXIS THEREBY ENABLING THE ANGULAR RELATIONSHIP OF THE CENTER SECTION AND THE NOSE SECTION TO BE ADJUSTED, AND A REAR SECTION COMPRISING A PARI OF REARWARDLY DIVERGING MOLDBOARDS, MEANS ADJUSTABLY CONNECTING THE MOLDBOARDS FORMING THE REAR SECTION TO THE MOLDBOARDS FORMING THE CENTER SECTION FOR PIVOTAL MOVEMENT ABOUT SUBSTANTIALY A VERTICAL AXIS WHEREBY THE MOLDBOARDS OF THE REAR SECTION MAY BE SWUNG LATERALLY INWARDLY TO A TETRACED POSITION OR TO A POSITION GENERALLY IN ALIGNMENT WITH THE MOLDBOARDS FORMTINT THE CENTER SECTION, THE ARTICULATE CONNECTION MEANS BETWEEN THE CENTER SECTION AND THE NOSE SECTION IS DISPOSED ADJACENT THE BOTTOM OF THE RESPECTIVE SECTION IS DISPOSED MOLDBOARDS FORMING THE CENTER SECTION BEING TELESCOPED INWRDLY OF THE MOLDBOARDS FORMING THE NOSE SECTION, AND AND ADJUSTABLE LENGTH TILT BAR INTERCONNECTING THE UPPER END PORTIONS OF THE NOSE SECTION AND CENTER SECTION FOR LOCKING THE NOSE SECTION AND CENTER SECTION IN ANGULARLY ADJUSTED POSITION.
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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) | 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 |