Patent US3320734A successfully refreshed from Google Patents.
US3320734A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Haymaking machines
Assignee: Patent Concern NV
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Filing: 1963-12-12
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Granted: 1967-05-23
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Expires: 1983-12-12
Abstract
No abstract record available.
Inventors
- 👤 Lely Cornelis Van Der
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-09 07:07
CPC Classifications
A; A01; A01D; A01D78/00; A01D78/001; A01D78/003; A01C; A01C3/00; A01C3/06; A01C3/08; A01D78/08; A01D78/10; A01D78/1078
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
161 words
AN IMPLEMENT ADAPTED TO BE PULLED BY A TRACTOR AND COMPRISING FRAME MEANS INCLUDING HITCH MEANS TO COUPLE THE IMPLEMENT TO SAID TRACTOR AND GROUND WHEELS SUPPORTING SAID FRAME MEANS, A FRAME BEAM ADJACENT SAID FRAME MEANS AND PIVOTALLY CONNECTED THERETO, SHAFTS DISPOSED ADJACENT THE ENDS OF SAID BEAM AND INCLINED UPWARDLY AND FORWARDLY AT AN ACUTE ANGLE RELATIVE TO THE GROUND, RAKING MEMBERS HAVING TINES THEREON ROTATABLY MOUNTED ON SAID SHAFTS SUCH THAT THE TINES IN THE FORWARD AREA OF THE RAKING MEMBERS ARE SUBSTANTIALLY VERTICAL WHEN IN CONTACT WITH GROUND AND/OR CROP, SUCH RAKING MEMBERS EACH BEING DISPOSED IN A PLANE EXTENDING AT AN ACUTE ANGLE RELATIVE TO THE GROUND WITH ONE OF SAID GROUND WHEELS THEREBENEATH, A GEAR-BOX MOUNTED ON SAID BEAM AND MEANS CONNECTING SAID GEAR-BOX TO EACH RAKING MEMBER TO ROTATE SAME IN ONE DIRECTION SO THAT THE IMPLEMENT CONSTITUTES A SIDE DELIVERY RAKE, OR IN A REVERSE DIRECTION SO THAT THE IMPLEMENT CONSTITUTES A TEDDER.
Claim 2
Dependent Claim
161 words
AN IMPLEMENT ADAPTED TO BE PULLED BY A TRACTOR AND COMPRISING FRAME MEANS INCLUDING HITCH MEANS TO COUPLE THE IMPLEMENT TO SAID TRACTOR AND GROUND WHEELS SUPPORTING SAID FRAME MEANS, A FRAME BEAM ADJACENT SAID FRAME MEANS AND PIVOTALLY CONNECTED THERETO, SHAFTS DISPOSED ADJACENT THE ENDS OF SAID BEAM AND INCLINED UPWARDLY AND FORWARDLY AT AN ACUTE ANGLE RELATIVE TO THE GROUND, RAKING MEMBERS HAVING TINES THEREON ROTATABLY MOUNTED ON SAID SHAFTS SUCH THAT THE TINES IN THE FORWARD AREA OF THE RAKING MEMBERS ARE SUBSTANTIALLY VERTICAL WHEN IN CONTACT WITH GROUND AND/OR CROP, SUCH RAKING MEMBERS EACH BEING DISPOSED IN A PLANE EXTENDING AT AN ACUTE ANGLE RELATIVE TO THE GROUND WITH ONE OF SAID GROUND WHEELS THEREBENEATH, A GEAR-BOX MOUNTED ON SAID BEAM AND MEANS CONNECTING SAID GEAR-BOX TO EACH RAKING MEMBER TO ROTATE SAME IN ONE DIRECTION SO THAT THE IMPLEMENT CONSTITUTES A SIDE DELIVERY RAKE, OR IN A REVERSE DIRECTION SO THAT THE IMPLEMENT CONSTITUTES A TEDDER.
References Cited (Backward Citations)
GB803214A
Cited
US2827754A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1970-05-22 | 1970-11-21 | 1971-05-23 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1974-05-22 | 1974-11-21 | 1975-05-23 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1978-05-22 | 1978-11-21 | 1979-05-23 | $7700.00 | Window Closed / Lapsed |