US3664534A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Lateral shuttle device for material storage system
Assignee: Doosan Bobcat North America Inc
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Filing: 1970-09-02
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Granted: 1972-05-23
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Expires: 1990-09-02
Abstract
Abstract APPARATUS FOR MOVING MATERIAL ON AN OFF OF SUPPORTS IN WHICH THE MATERIAL IS CONVEYED HORIZONTALLY ON A BELT CONVEYOR AND BOTH HORIZONTALLY AND VERTICALLY BY SWINGING THE CONVEYOR THROUGH AN ARC.
Inventors
- 👤 Calvin W Hunter
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-27 18:13
CPC Classifications
B; B66; B66F; B66F9/00; B66F9/06; B66F9/075; B66F9/12; B66F9/14; B66F9/141; B65; B65G; B65G1/00; B65G1/02; B65G1/04; B65G1/0407; B65G1/0435
Claims Analysis
Total Claims: 0
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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) | 1975-05-23 | 1975-11-22 | 1976-05-23 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1979-05-23 | 1979-11-22 | 1980-05-23 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1983-05-23 | 1983-11-22 | 1984-05-23 | $7700.00 | Window Closed / Lapsed |