US3272397A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Feeder of non-flowing material
Assignee: Individual
•
Filing: 1963-06-20
•
Granted: 1966-09-13
•
Expires: 1983-06-20
Abstract
No abstract record available.
Inventors
- 👤 Sherman G Bean
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-29 00:17
CPC Classifications
A; A01; A01C; A01C15/00; A01C15/16; E; E01; E01C; E01C19/00; E01C19/12; E01C19/20; E01C19/201; E01C19/202; E01C2019/2055; E01C2019/207; E01C2019/208
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
97 words
DISPENSING APPARATUS FOR A MATERIAL HAVING A TENDENCY TO BRIDGE COMPRISING A HOPPER INCLUDING A MOVABLE SIDE PANEL, HINGE MEANS AT AN UPPER PORTION OF SAID SIDE PANEL AND SUPPORTED BY SAID HOPPER FOR PIVOTALLY SUPPORTING SAID SIDE PANEL, SAID HOPPER DEFINING A LONG BOTTOM OPENING, A SCREW CONVEYOR EXTENDING LONGITUDINALLY OF SAID OPENING, A TROUGH BELOW AND ENCOMPASSING SAID SCREW CONVEYOR, A ROTATABLE CAM SUPPORTED OUTSIDE SAID SIDE PANEL BY SAID HOPPER AND CONTACTING SAID SIDE PANEL BELOW SAID HINGE TO PIVOT SAID PANEL, AND DRIVE MEANS FOR SIMULTANEOUSLY DRIVING SAID SCREW CONVEYOR AND SAID CAM.
Claim 2
Dependent Claim
97 words
DISPENSING APPARATUS FOR A MATERIAL HAVING A TENDENCY TO BRIDGE COMPRISING A HOPPER INCLUDING A MOVABLE SIDE PANEL, HINGE MEANS AT AN UPPER PORTION OF SAID SIDE PANEL AND SUPPORTED BY SAID HOPPER FOR PIVOTALLY SUPPORTING SAID SIDE PANEL, SAID HOPPER DEFINING A LONG BOTTOM OPENING, A SCREW CONVEYOR EXTENDING LONGITUDINALLY OF SAID OPENING, A TROUGH BELOW AND ENCOMPASSING SAID SCREW CONVEYOR, A ROTATABLE CAM SUPPORTED OUTSIDE SAID SIDE PANEL BY SAID HOPPER AND CONTACTING SAID SIDE PANEL BELOW SAID HINGE TO PIVOT SAID PANEL, AND DRIVE MEANS FOR SIMULTANEOUSLY DRIVING SAID SCREW CONVEYOR AND SAID CAM.
References Cited (Backward Citations)
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1969-09-12 | 1970-03-14 | 1970-09-13 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1973-09-12 | 1974-03-14 | 1974-09-13 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1977-09-12 | 1978-03-14 | 1978-09-13 | $7700.00 | Window Closed / Lapsed |