Patent US3239231A successfully refreshed from Google Patents.
US3239231A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Spreading powdered or granular materials
Assignee: C Van der Lely NV
•
Filing: 1963-07-03
•
Granted: 1966-03-08
•
Expires: 1983-07-03
Abstract
No abstract record available.
Inventors
- 👤 Lely Cornelis Van Der
- 👤 Nieuwenhove Hendricus Cornelis
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-26 07:41
CPC Classifications
A; A01; A01C; A01C17/00; A01C15/00; A01C17/003; E; E01; E01C; E01C19/00; E01C19/12; E01C19/20; E01C19/201; E01C19/202; E01C19/2025
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
147 words
AN IMPLEMENT FOR SPREADING MATERIAL COMPRISING A FRAME, A HOPPER AND A ROTARY DISTRIBUTOR, A PORTED MEMBER HAVING OUTLET PORTS LOCTED BETWEEN SAID HOPPER AND DISTRIBUTOR, SAID PORTED MEMBER AND SAID DISTRIBUTOR BEING TURNABLE ABOUT A SUBSTANTIALLY HORIZONTAL AXIS, A MASKING MEMBER HAVING OUTLET HOLES MOUNTED ADJACENT SAID PORTED MEMBER, SAID MASKING MEMBER TURNABLE ABOUT A SUBSTANTIALLY HORIZONTAL AXIS, SAID PORTED MEMBER AND SAID MASKING MEMBER BEING PIVOTALLY MOUNTED AND INDEPENDENTLY ADJUSTABLE, A FIRST MEANS CONNECTED TO SAID PORTED MEMBER FOR ADJUSTING SAME AND A SECOND MEANS CONNECTED TO SAID MASKING MEMBER FOR ADJUSTING SAME, COUPLING MEANS FOR SELECTIVELY COUPLING SAID FIRST AND SECOND MEANS FOR PERMITTING SIMULTANEOUS MOVEMENT OF SAID PORTED AND MASKING MEMBERS, CONNECTING MEANS ON SAID MASKING MEMBER FOR CONNECTION TO SAID SECOND MEANS IN A PLURALITY OF SETTINGS WHEREBY SAID MASKING MEMBER IS TURNABLE BY SAID SECOND MEANS FROM ANY OF SAID SETTINGS.,
Claim 2
Dependent Claim
147 words
AN IMPLEMENT FOR SPREADING MATERIAL COMPRISING A FRAME, A HOPPER AND A ROTARY DISTRIBUTOR, A PORTED MEMBER HAVING OUTLET PORTS LOCTED BETWEEN SAID HOPPER AND DISTRIBUTOR, SAID PORTED MEMBER AND SAID DISTRIBUTOR BEING TURNABLE ABOUT A SUBSTANTIALLY HORIZONTAL AXIS, A MASKING MEMBER HAVING OUTLET HOLES MOUNTED ADJACENT SAID PORTED MEMBER, SAID MASKING MEMBER TURNABLE ABOUT A SUBSTANTIALLY HORIZONTAL AXIS, SAID PORTED MEMBER AND SAID MASKING MEMBER BEING PIVOTALLY MOUNTED AND INDEPENDENTLY ADJUSTABLE, A FIRST MEANS CONNECTED TO SAID PORTED MEMBER FOR ADJUSTING SAME AND A SECOND MEANS CONNECTED TO SAID MASKING MEMBER FOR ADJUSTING SAME, COUPLING MEANS FOR SELECTIVELY COUPLING SAID FIRST AND SECOND MEANS FOR PERMITTING SIMULTANEOUS MOVEMENT OF SAID PORTED AND MASKING MEMBERS, CONNECTING MEANS ON SAID MASKING MEMBER FOR CONNECTION TO SAID SECOND MEANS IN A PLURALITY OF SETTINGS WHEREBY SAID MASKING MEMBER IS TURNABLE BY SAID SECOND MEANS FROM ANY OF SAID SETTINGS.,
References Cited (Backward Citations)
US571896A
Cited
GB189315522A
Cited
US2543586A
Cited
US2672259A
Cited
GB730989A
Cited
US2874878A
Cited
FR1134277A
Cited
FR1185624A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1969-03-07 | 1969-09-06 | 1970-03-08 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1973-03-07 | 1973-09-06 | 1974-03-08 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1977-03-07 | 1977-09-06 | 1978-03-08 | $7700.00 | Window Closed / Lapsed |