Patent US3304895A successfully refreshed from Google Patents.
US3304895A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Earthworking apparatus
Assignee: International Motors LLC
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Filing: 1964-08-17
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Granted: 1967-02-21
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Expires: 1984-08-17
Abstract
No abstract record available.
Inventors
- 👤 John W Orendorff
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-09 16:27
CPC Classifications
A; A01; A01C; A01C5/00; A01C5/06; A01C5/062; A01C7/00; A01C7/08
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
105 words
IN AN IMPLEMENT, A SUPPORTING FRAME ADAPTED TO BE VERTICALLY MOVED BETWEEN OPERATING AND TRANSPORT POSITIONS, AN EARTHWORKING TOOL CARRIED BY THE FRAME AND CONNECTED THEREWITH FOR VERTICAL MOVEMENT WITH RESPECT THERETO, MEANS IN THE CONNECTION OF SAID TOOL WITH THE FRAME BIASING SAID TOOL UPWARDLY RELATIVE TO THE FRAME, A GROUND ENGAGING MEMBER OPERATIVELY CONNECTED TO SAID FRAME FOR VERTICAL MOVEMENT WITH RESPECT THERETO AND ENGAGEABLE WITH THE GROUND UPON LOWERING THE IMPLEMENT, PRIOR TO ENGAGEMENT THEREOF BY SAID TOOL, AND LINKAGE OPERATIVELY CONNECTING SAID MEMBER AND SAID TOOL FOR URGING THE LATTER DOWNWARDLY IN RESPONSE TO ENGAGEMENT OF SAID MEMBER WITH THE GROUND.
Claim 2
Dependent Claim
105 words
IN AN IMPLEMENT, A SUPPORTING FRAME ADAPTED TO BE VERTICALLY MOVED BETWEEN OPERATING AND TRANSPORT POSITIONS, AN EARTHWORKING TOOL CARRIED BY THE FRAME AND CONNECTED THEREWITH FOR VERTICAL MOVEMENT WITH RESPECT THERETO, MEANS IN THE CONNECTION OF SAID TOOL WITH THE FRAME BIASING SAID TOOL UPWARDLY RELATIVE TO THE FRAME, A GROUND ENGAGING MEMBER OPERATIVELY CONNECTED TO SAID FRAME FOR VERTICAL MOVEMENT WITH RESPECT THERETO AND ENGAGEABLE WITH THE GROUND UPON LOWERING THE IMPLEMENT, PRIOR TO ENGAGEMENT THEREOF BY SAID TOOL, AND LINKAGE OPERATIVELY CONNECTING SAID MEMBER AND SAID TOOL FOR URGING THE LATTER DOWNWARDLY IN RESPONSE TO ENGAGEMENT OF SAID MEMBER WITH THE GROUND.
References Cited (Backward Citations)
No citation records indexed.
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1970-02-20 | 1970-08-22 | 1971-02-21 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1974-02-20 | 1974-08-22 | 1975-02-21 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1978-02-20 | 1978-08-22 | 1979-02-21 | $7700.00 | Window Closed / Lapsed |