US3605987A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Automatic apparatus for conveying loose materials to a utilization station
Assignee: Individual
•
Filing: 1969-09-18
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Granted: 1971-09-20
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Expires: 1989-09-18
Abstract
Abstract THIS DISCLOSURE RELATES TO AN AUTOMATIC DEVICE FOR CONVEYING LOOSE MATERIAL FROM A PLURALITY OF ZONES AROUND THE APPARTUS AND SEPARATED BY PORTION WALLS TO A COLLECTION ZONE, SAID APPARATUS INCLUDING A CLAMSHEL BUCKET CARRIED BY AN ARM MOUNTED FOR ROTATION ON THE FIXED FRAMEWORK OF THE APPARATUS, AND CABLE MEANS FOR ACTUATING SAID CLAMSHELL BUCKET, MEANS BEING PROVIDED TO CAUSE THE CLAMSHELL BUCKET TO MOVE SUBSTANTIALLY PARALLEL TO SAID PARTITION WALLS WHEN MATERIAL ADJACENT THERE WALLS IS COLLECTED.
Inventors
- 👤 Franco Sigismondo
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-06 14:05
CPC Classifications
E; E02; E02F; E02F3/00; E02F3/04; E02F3/46; E02F3/48
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) | 1974-09-19 | 1975-03-21 | 1975-09-20 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1978-09-19 | 1979-03-21 | 1979-09-20 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1982-09-19 | 1983-03-21 | 1983-09-20 | $7700.00 | Window Closed / Lapsed |