US3197084A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Device for spreading granular or powdery material
Assignee: C Van der Lely NV
•
Filing: 1962-05-31
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Granted: 1965-07-27
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Expires: 1982-05-31
Abstract
No abstract record available.
Inventors
- 👤 Lely Cornelis Van Der
- 👤 Lely Ary Van Der
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-23 14:56
CPC Classifications
A; A01; A01C; A01C15/00; A01C15/005; A01C15/006; A01C15/007
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
116 words
A DEVICE FOR SPREADING MATERIAL COMPRISING A MATERIAL CONTAINER WITH AN OUTLET PART AND AN AGITATOR MEMBER ARRANGED WITHIN SAID CONTAINER TO INSURE DELIVERY OF MATERIAL FROM SAID CONTAINE,A DRIVING MECHANISM FOR MOVING SAID MEMBER RELATIVE TO THE INNER WALL OF SAID CONTAINER, SAID MEMBER HAVING A SHAFT EXTENDING UPWARDLY IN SAID CONTAINER, AT LEAST ONE EXTENSION BEING COUPLED TO SAID SHAFT, SAID EXTENSION HAVING PORTIONS PROJECTING LATERALLY WITH RESPECT TO SAID SHAFT, ONE OF SAID PORTION BEING POSITIONED BELOW A SECOND PORTION,A THIRD PORTION BEING POSITIONED ABOVE SAID SECOND PORTION, SAID THIRD PORTION HAVING A FREE END EXTENDING TOWARDS SAID INNER WALL, SAID PORTIONS BEING COUPLED WITH BENDS AND COMPRISING A SINGLE PIECE OF MATERIAL.
Claim 2
Independent Claim
116 words
A DEVICE FOR SPREADING MATERIAL COMPRISING A MATERIAL CONTAINER WITH AN OUTLET PART AND AN AGITATOR MEMBER ARRANGED WITHIN SAID CONTAINER TO INSURE DELIVERY OF MATERIAL FROM SAID CONTAINE,A DRIVING MECHANISM FOR MOVING SAID MEMBER RELATIVE TO THE INNER WALL OF SAID CONTAINER, SAID MEMBER HAVING A SHAFT EXTENDING UPWARDLY IN SAID CONTAINER, AT LEAST ONE EXTENSION BEING COUPLED TO SAID SHAFT, SAID EXTENSION HAVING PORTIONS PROJECTING LATERALLY WITH RESPECT TO SAID SHAFT, ONE OF SAID PORTION BEING POSITIONED BELOW A SECOND PORTION,A THIRD PORTION BEING POSITIONED ABOVE SAID SECOND PORTION, SAID THIRD PORTION HAVING A FREE END EXTENDING TOWARDS SAID INNER WALL, SAID PORTIONS BEING COUPLED WITH BENDS AND COMPRISING A SINGLE PIECE OF MATERIAL.
References Cited (Backward Citations)
US427963A
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US1730784A
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US2368127A
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US2691468A
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US2685388A
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US3038643A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1968-07-26 | 1969-01-25 | 1969-07-27 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1972-07-26 | 1973-01-25 | 1973-07-27 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1976-07-26 | 1977-01-25 | 1977-07-27 | $7700.00 | Window Closed / Lapsed |