US3225943A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Cantilever rotary reclaimer
Assignee: Hewitt Robins Inc
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Filing: 1962-05-29
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Granted: 1965-12-28
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Expires: 1982-05-29
Abstract
No abstract record available.
Inventors
- 👤 Sasadi John
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-30 05:52
CPC Classifications
E; E02; E02F; E02F3/00; E02F3/04; E02F3/18; E02F3/20; B; B65; B65G; B65G65/00; B65G65/02; B65G65/08; B65G65/10; B65G65/16; B65G65/20; E02F3/181; E02F3/183
Claims Analysis
Total Claims: 1
Claim 1
Independent Claim
121 words
IN A RECLAIMER COMPRISING A WHEELED FRAME MOVABLE TOWARD A PILE OF MATERIAL AND A BUCKET WHEEL SUPPORTED BY SAID FRAME AND MOVABLE ACROSS THE FACE OF THE PILE WHILE SUPPORTED ON SAID FRAME, AND HAVING A HARROW EXTENDING UPWARDLY AND FORWARDLY OF SAID WHEEL TO RAKE A PILE IN FRONT OF SAID WHEEL AND WHEREIN SAID WHEEL AND HARROW CAN BE RAISED AND LOWERED WITH RESPECT TO SAID FRAME, THE IMPROVEMENT WHEREIN THE MEANS SUPPORTING SAID WHEEL AND HARROW ON SAID FRAME COMPRISES A PARALLELOGRAM LINKAGE INTERCONNECTING SAID WHEEL AND HARROW SAID LINKAGE BEING OPERABLE TO MAINTAIN A SELECTED ANGULAR POSITION OF SAID HARROW RELATIVE SAID WHEEL DURING RAISING AND LOWERING MOVEMENTS OF SAID WHEEL AND HARROW RELATIVE SAID FRAME.
References Cited (Backward Citations)
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Cited
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Cited
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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) | 1968-12-27 | 1969-06-28 | 1969-12-28 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1972-12-27 | 1973-06-28 | 1973-12-28 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1976-12-27 | 1977-06-28 | 1977-12-28 | $7700.00 | Window Closed / Lapsed |