Patent US3396487A successfully refreshed from Google Patents.
US3209840A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Cultivator
Assignee: LILLISTON CORP
•
Filing: 1961-09-05
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Granted: 1965-10-05
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Expires: 1981-09-05
Abstract
No abstract record available.
Inventors
- 👤 Charles L Lehman
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-05 13:38
CPC Classifications
A; A01; A01B; A01B39/00; A01B39/08; A01B39/12; A01B39/14
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
126 words
A CULTIVATOR, COMPRISING A FRAME ADAPTED TO BE MOVED FORWARDLY OVER THE GROUND, A FIRST GANG OF ROTARY HOES, MEANS MOUNTING SAID FIRST GANG FROM THE FRAME FOR SWINGING ABOUT A TRNASVERSE AXIS TO ROTATABLY ENGAGE THE GROUND DURING FORWARD MOVEMENT OF THE FRAME, A PAIR OF ADDITIONAL GANGS OF ROTARY HOES, MEANS MOUNTING EACH SUCH ADDITIONAL GANG FROM THE FRAME FOR SWINGING ABOUT A TRANSVERSE AXIS TO ROTATABLY ENGAGE THE GROUND REARWARDLY OF AND ON ONE OPPOSITE SIDE OF THE ENGGEMENT OF THE FIRST GANG WITH SAID GROUND DURING SAID FORWARD MOVEMENT OF THE FRAME, AND MEANS FOR ADJUSTING AND FIXING THE ANGULAR RELATION OF THE AXIS OF ROTATION OF THE ROTARY HOES OF EACH OF SAID FIRST AND ADDITIONAL GANGS WITH RESPECT TO THE
Claim 2
Dependent Claim
126 words
A CULTIVATOR, COMPRISING A FRAME ADAPTED TO BE MOVED FORWARDLY OVER THE GROUND, A FIRST GANG OF ROTARY HOES, MEANS MOUNTING SAID FIRST GANG FROM THE FRAME FOR SWINGING ABOUT A TRNASVERSE AXIS TO ROTATABLY ENGAGE THE GROUND DURING FORWARD MOVEMENT OF THE FRAME, A PAIR OF ADDITIONAL GANGS OF ROTARY HOES, MEANS MOUNTING EACH SUCH ADDITIONAL GANG FROM THE FRAME FOR SWINGING ABOUT A TRANSVERSE AXIS TO ROTATABLY ENGAGE THE GROUND REARWARDLY OF AND ON ONE OPPOSITE SIDE OF THE ENGGEMENT OF THE FIRST GANG WITH SAID GROUND DURING SAID FORWARD MOVEMENT OF THE FRAME, AND MEANS FOR ADJUSTING AND FIXING THE ANGULAR RELATION OF THE AXIS OF ROTATION OF THE ROTARY HOES OF EACH OF SAID FIRST AND ADDITIONAL GANGS WITH RESPECT TO THE
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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) | 1968-10-04 | 1969-04-05 | 1969-10-05 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1972-10-04 | 1973-04-05 | 1973-10-05 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1976-10-04 | 1977-04-05 | 1977-10-05 | $7700.00 | Window Closed / Lapsed |