Patent US3211238A successfully refreshed from Google Patents.
US3211238A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Extended cultivator frame
Assignee: Individual
•
Filing: 1963-07-05
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Granted: 1965-10-12
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Expires: 1983-07-05
Abstract
No abstract record available.
Inventors
- 👤 Robert W Mcclenny
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-01 06:30
CPC Classifications
A; A01; A01B; A01B73/00; A01B73/02; A01B73/04; A01B73/044
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
184 words
A CULTIVATOR FRAME EXTENSION ATTACHMENT FOR A CULTIVATOR FRAME OF THE TYPE COMPRISING A PAIR OF ELONGATED SPACED HORIZONTAL PARALLEL MAIN TOOL BARS HAVING MEANS FOR SUPPORTING DEPENDING CULTIVATOR TOOLS AND ADAPTED TO ATTACHED TO A TRACTOR, SAID EXTENSION ATTACHMENT COMPRISING AT LEAST ONE SUPPORTING SHAFT MEMBER, UPSTANDING LONGITUDINAL FLANGE MEANS ON THE INTERMEDIATE PORTION OF SAID SHAFT MEMBER, MEANS FOR ROTATABLY MOUNTED SAID SHAFT MEMBER TRANSVERSELY ON THE INTERMEDIATE PORTIONS OF SAID PARALLEL TOOL BARS, A SUPPORT ARM RIGIDLY SECURED TO SAID FLANGE MEANS PERPENDICULARLY THERETO, WHEREBY TO EXTEND BETWEEN SAID PARALLEL TOOL BARS, SPACED BAR MEMBERS RIGIDLY SECURED TO SAID SUPPORT ARM AND EXTENDING PARALLEL TO SAID SHAFT MEMBER, A PAIR OF PARALLEL AUXILIARY TOOL BARS SECURED TO THE ENDS OF SAID SPACED BAR MEMBERS AND LOCATED TO SUBSTANTIALLY REGISTER WITH SAID FIRST-NAMED TOOL BARS, AND MEANS ON AT LEAST ONE OF THE AUXILIARY TOOL BARS TO RECEIVE AN END OF THE MAIN TOOL BAR AND TO LIMIT DESCENT OF THE AUXILIARY TOOL BARS RELATIVE TO THE MAIN TOOL BARS TO POSITIONS WHEREIN THEY SUBSTANTIALLY REGISTER HORIZONTALLY WITH THE MAIN TOOL BARS.
Claim 2
Dependent Claim
184 words
A CULTIVATOR FRAME EXTENSION ATTACHMENT FOR A CULTIVATOR FRAME OF THE TYPE COMPRISING A PAIR OF ELONGATED SPACED HORIZONTAL PARALLEL MAIN TOOL BARS HAVING MEANS FOR SUPPORTING DEPENDING CULTIVATOR TOOLS AND ADAPTED TO ATTACHED TO A TRACTOR, SAID EXTENSION ATTACHMENT COMPRISING AT LEAST ONE SUPPORTING SHAFT MEMBER, UPSTANDING LONGITUDINAL FLANGE MEANS ON THE INTERMEDIATE PORTION OF SAID SHAFT MEMBER, MEANS FOR ROTATABLY MOUNTED SAID SHAFT MEMBER TRANSVERSELY ON THE INTERMEDIATE PORTIONS OF SAID PARALLEL TOOL BARS, A SUPPORT ARM RIGIDLY SECURED TO SAID FLANGE MEANS PERPENDICULARLY THERETO, WHEREBY TO EXTEND BETWEEN SAID PARALLEL TOOL BARS, SPACED BAR MEMBERS RIGIDLY SECURED TO SAID SUPPORT ARM AND EXTENDING PARALLEL TO SAID SHAFT MEMBER, A PAIR OF PARALLEL AUXILIARY TOOL BARS SECURED TO THE ENDS OF SAID SPACED BAR MEMBERS AND LOCATED TO SUBSTANTIALLY REGISTER WITH SAID FIRST-NAMED TOOL BARS, AND MEANS ON AT LEAST ONE OF THE AUXILIARY TOOL BARS TO RECEIVE AN END OF THE MAIN TOOL BAR AND TO LIMIT DESCENT OF THE AUXILIARY TOOL BARS RELATIVE TO THE MAIN TOOL BARS TO POSITIONS WHEREIN THEY SUBSTANTIALLY REGISTER HORIZONTALLY WITH THE MAIN TOOL BARS.
References Cited (Backward Citations)
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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) | 1968-10-11 | 1969-04-12 | 1969-10-12 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1972-10-11 | 1973-04-12 | 1973-10-12 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1976-10-11 | 1977-04-12 | 1977-10-12 | $7700.00 | Window Closed / Lapsed |