US3109560A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Live bottom hopper feeder
Assignee: JB Ehrsam and Sons Manufacturing Co
•
Filing: 1961-07-03
•
Granted: 1963-11-05
•
Expires: 1981-07-03
Abstract
No abstract record available.
Inventors
- 👤 John R Rosenleaf
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-31 07:53
CPC Classifications
B; B27; B27N; B27N3/00; B27N3/08; B27N3/10; B27N3/14; B65; B65G; B65G3/00; B65G3/04
Claims Analysis
Total Claims: 1
Claim 1
Independent Claim
84 words
A DEVICE FOR UNIFORMLY DELIVERING COMPACTABLE, DISCRETE MATERIAL COMPRISING A RECEIVER, BARRIER MEANS SUSPENDED TO SWING ABOUT AN AXIS NEAR THE TOP OF SAID RECEIVER AND CONSTITUTING AN END WALL FOR SAID RECEIVER, CONVEYOR MEANS CONSTITUTING THE FLOOR OF SAID RECEIVER, MEANS FOR DRIVING SAID CONVEYOR MEANS TO MOVE MATERIAL SUPPORTED THEREON TOWARD SAID END WALL FOR DISCHARGE FROM SAID RECEIVER, SAID BARRIER MEANS BEING PROVIDED WITH A PLURALITY OF SUBSTANTIALLY VERTICAL SLOTS THERETHROUGH OPENING TO THE INTERIOR OF SAID RECEIVER, ENDLESS TRAVELER MEANS
References Cited (Backward Citations)
US2743832A
Cited
US2340983A
Cited
US2646899A
Cited
US2601618A
Cited
US2756887A
Cited
US2756459A
Cited
US2771203A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1966-11-04 | 1967-05-06 | 1967-11-05 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1970-11-04 | 1971-05-06 | 1971-11-05 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1974-11-04 | 1975-05-06 | 1975-11-05 | $7700.00 | Window Closed / Lapsed |