US3263836A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Bulk material handling apparatus
Assignee: Individual
•
Filing: 1963-12-09
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Granted: 1966-08-02
•
Expires: 1983-12-09
Abstract
No abstract record available.
Inventors
- 👤 Joseph B Kucera
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-31 09:56
CPC Classifications
A; A01; A01D; A01D90/00; A01D90/10; A01D90/105; B; B60; B60P; B60P3/00; B60P3/22; B60P3/224
Claims Analysis
Total Claims: 1
Claim 1
Independent Claim
146 words
A BULK MATERIAL HANDLING APPARATUS COMPRISING: (A) BOX MEANS HAVING A SEMICIRCULAR BOTTOM WALL, UPRIGHT END WALLS AND SIDE WALLS SECURED TO THE BOTTOM WALL, AND A CONVEX CURVED TOP WALL HAVING ONE SIDE IN ALIGNMENT WITH AND SECURED TO ONE OF THE SIDE WALLS AND THE OPPOSITE SIDE POSITIONED OUTWARDLY AND LATERALLY FROM THE OTHER SIDE WALL PROVIDING AN OPENING INTO THE BOX MEANS, (B) A FLAIL MEANS HAVING A ROTOR EXTENDED LONGITUDINALLY OF THE BOX MEANS, (C) MEANS ROTATABLY MOUNTING OPPOSITE END PORTIONS OF THE ROTOR ON THE END WALLS, (D) DRIVE MEANS MOUNTED ON ONE OF THE END WALLS AND CONNECTED TO THE ROTOR FOR TRANSMITTING POWER TO ROTATE THE FLAIL MEANS IN A DIRECTION TO CARRY THE BULK MATERIAL IN THE BOX MEANS ALONG THE CURVED TOP WALL FOR DISCHARGE THROUGH THE OPENING BETWEEN THE OTHER SIDE WALL AND THE TOP WALL,
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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) | 1969-08-01 | 1970-01-31 | 1970-08-02 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1973-08-01 | 1974-01-31 | 1974-08-02 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1977-08-01 | 1978-01-31 | 1978-08-02 | $7700.00 | Window Closed / Lapsed |