US3161240A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Agricultural implement provided with an overload protection
Assignee: Herbert Vissers BV
•
Filing: 1962-10-23
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Granted: 1964-12-15
•
Expires: 1982-10-23
Abstract
No abstract record available.
Inventors
- 👤 Horowitz Alexandre
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-23 06:30
CPC Classifications
F; F16; F16D; F16D43/00; F16D43/02; F16D43/20; F16D43/202; F16D43/2022; F16D43/2024; A; A01; A01B; A01B9/00; A01B9/003; F16H; F16H35/00; F16H35/10; G; G05; G05G; G05G15/00; G05G15/08
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
114 words
A DIGGING IMPLEMENT FOR ATTACHMENT TO A TRACTOR OR LIKE POWER SOURCE COMPRISING A NUMBER OF ROTATABLE DIGGING ELEMENTS DISPOSED IN AN ANNULAR CONFIGURATION AROUND A COMMON AXIS OF ROTATION, MEANS FOR TILTING SAID DIGGING ELEMENTS WITH RESPECT TO THEIR PLANES OF ROTATION AS THEY ROTATE, A DRIVING MECHANISM INCLUDING CLUTCH MEANS CONNECTED TO SAID DIGGING ELEMENTS FOR DRIVING SAME AND OPERATING SAID TILTING MEANS, A FIRST IMPULSE SENDING MEANS CONNECTED TO SAID CLUTCH MEANS AND TO SAID DRIVING MECHANISM AND OPERATIVE TO DISCONNECT SAID CLUTCH MEANS UPON RECEIPT OF AN OVERLOAD FORCE IN SAID DRIVING MECHANISM, AND A SECOND IMPULSE SENDING MEANS OPERABLE TO RECEIVE OVERLOAD FORCES FROM SAID TILTING MEANS AND OPERATIVELY
Claim 2
Dependent Claim
114 words
A DIGGING IMPLEMENT FOR ATTACHMENT TO A TRACTOR OR LIKE POWER SOURCE COMPRISING A NUMBER OF ROTATABLE DIGGING ELEMENTS DISPOSED IN AN ANNULAR CONFIGURATION AROUND A COMMON AXIS OF ROTATION, MEANS FOR TILTING SAID DIGGING ELEMENTS WITH RESPECT TO THEIR PLANES OF ROTATION AS THEY ROTATE, A DRIVING MECHANISM INCLUDING CLUTCH MEANS CONNECTED TO SAID DIGGING ELEMENTS FOR DRIVING SAME AND OPERATING SAID TILTING MEANS, A FIRST IMPULSE SENDING MEANS CONNECTED TO SAID CLUTCH MEANS AND TO SAID DRIVING MECHANISM AND OPERATIVE TO DISCONNECT SAID CLUTCH MEANS UPON RECEIPT OF AN OVERLOAD FORCE IN SAID DRIVING MECHANISM, AND A SECOND IMPULSE SENDING MEANS OPERABLE TO RECEIVE OVERLOAD FORCES FROM SAID TILTING MEANS AND OPERATIVELY
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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) | 1967-12-15 | 1968-06-15 | 1968-12-15 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1971-12-15 | 1972-06-15 | 1972-12-15 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1975-12-15 | 1976-06-15 | 1976-12-15 | $7700.00 | Window Closed / Lapsed |