Patent US3185220A successfully refreshed from Google Patents.
US3185220A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Plow device
Assignee: Individual
•
Filing: 1963-12-16
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Granted: 1965-05-25
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Expires: 1983-12-16
Abstract
No abstract record available.
Inventors
- 👤 Tanoue Tatsuo
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-08 20:30
CPC Classifications
A; A01; A01B; A01B17/00; A01B49/00; A01B49/02; A01B49/022
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
209 words
A PLOW DEVICE COMPRISING: A PLOWBEAM, A SHAFT ROD CONNECTED TO SAID PLOWBEAM, A PLURALITY OF MOLDBOARDPLOWS, SUPPORTING ARMS CONNECTING SAID MOLDBOARD-PLOWS TO SAID SHAFT ROD, SAID MOLDBOARD-PLOWS ARRANGED WITH THE CENTRAL MOLDBOARD-PLOWS POSITIONED FOREMOST AND THE FRONT ENDS OF THE REMAINING MOLDBOARD-PLOWS ARRANGED PROGRESSIVELY TO THE REAR OF THE CENTRAL MOLDBOARD-PLOW FORMING A V WITH THE CENTRAL MOLDBOARD-PLOW AT THE CENTER OF THE V, THE CENTRAL MOLDBOARD-PLOW HAVING MOUNTED THEREON A FIRST MOLDBOARD FACING ONE SIDE AND A SECOND MOLDBOARD FACING TO THE OPPOSITE SIDE, THE REMAINING MOLDBOARD-PLOWS HAVING MOUNTED THEREON AT LEAST ONE MOLDBOARD FACING AWAY FROM THE CENTRAL MOLDBOARD-PLOW, A ROTARY CULTIVATING MEMBER FORWARD OF SAID MOLDBOARDPLOWS HAVING A PLURALITY OF ROTARY BLADES MOUNTED THEREON, AT LEAST ONE ROTARY BLADE ADJACENT EACH MOLDBOARD IN THE DIRECTION WHICH THE MOLDBOARDS FACE, THE ROTARY BLADES ADJACENT THE OUTER MOLDBOARDS BEING ANGULARLY BENT IN A DIRECTION OPPOSITE FROM THAT DIRECTION WHICH THEIR ADJACENT MOLDBOARD FACES, THE REMAINING OF SAID ROTARY BLADES ADJACENT SAID MOLDBOARDS BEING ANGULARLY BENT IN THE SAME DIRECTION AS THAT WHICH THEIR ADJACENT MOLDBOARDS FACE, THE ROTARY BLADES ADJACENT THE MOLDBOARDS OF THE CENTRAL MOLDBOARD-PLOW EXTENDING REARWARDLY DURING A PORTION OF THEIR ROTARY MOVEMENT TO A POINT REARWARD OF THE FRONT END OF THE CENTRAL MOLDBOARD-PLOW.
Claim 2
Dependent Claim
209 words
A PLOW DEVICE COMPRISING: A PLOWBEAM, A SHAFT ROD CONNECTED TO SAID PLOWBEAM, A PLURALITY OF MOLDBOARDPLOWS, SUPPORTING ARMS CONNECTING SAID MOLDBOARD-PLOWS TO SAID SHAFT ROD, SAID MOLDBOARD-PLOWS ARRANGED WITH THE CENTRAL MOLDBOARD-PLOWS POSITIONED FOREMOST AND THE FRONT ENDS OF THE REMAINING MOLDBOARD-PLOWS ARRANGED PROGRESSIVELY TO THE REAR OF THE CENTRAL MOLDBOARD-PLOW FORMING A V WITH THE CENTRAL MOLDBOARD-PLOW AT THE CENTER OF THE V, THE CENTRAL MOLDBOARD-PLOW HAVING MOUNTED THEREON A FIRST MOLDBOARD FACING ONE SIDE AND A SECOND MOLDBOARD FACING TO THE OPPOSITE SIDE, THE REMAINING MOLDBOARD-PLOWS HAVING MOUNTED THEREON AT LEAST ONE MOLDBOARD FACING AWAY FROM THE CENTRAL MOLDBOARD-PLOW, A ROTARY CULTIVATING MEMBER FORWARD OF SAID MOLDBOARDPLOWS HAVING A PLURALITY OF ROTARY BLADES MOUNTED THEREON, AT LEAST ONE ROTARY BLADE ADJACENT EACH MOLDBOARD IN THE DIRECTION WHICH THE MOLDBOARDS FACE, THE ROTARY BLADES ADJACENT THE OUTER MOLDBOARDS BEING ANGULARLY BENT IN A DIRECTION OPPOSITE FROM THAT DIRECTION WHICH THEIR ADJACENT MOLDBOARD FACES, THE REMAINING OF SAID ROTARY BLADES ADJACENT SAID MOLDBOARDS BEING ANGULARLY BENT IN THE SAME DIRECTION AS THAT WHICH THEIR ADJACENT MOLDBOARDS FACE, THE ROTARY BLADES ADJACENT THE MOLDBOARDS OF THE CENTRAL MOLDBOARD-PLOW EXTENDING REARWARDLY DURING A PORTION OF THEIR ROTARY MOVEMENT TO A POINT REARWARD OF THE FRONT END OF THE CENTRAL MOLDBOARD-PLOW.
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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) | 1968-05-24 | 1968-11-23 | 1969-05-25 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1972-05-24 | 1972-11-23 | 1973-05-25 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1976-05-24 | 1976-11-23 | 1977-05-25 | $7700.00 | Window Closed / Lapsed |