US3224813A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Conveying apparatus
Assignee: Individual
•
Filing: 1963-08-29
•
Granted: 1965-12-21
•
Expires: 1983-08-29
Abstract
No abstract record available.
Inventors
- 👤 Jezo Martin Richard
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-28 06:50
CPC Classifications
B; B61; B61D; B61D5/00; B61D5/008; B28; B28C; B28C7/00; B28C7/04; B28C7/06; B28C7/062; B65; B65G; B65G67/00; B65G2814/00; B65G2814/03; B65G2814/0347; B65G2814/035
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
193 words
AN APPARATUS FOR HANDLING AND CONVEYING DRY GRANULAR MATERIAL, COMPRISING A HOPPER HAVING A PAIR OF SIDE WALLS AND A PAIR OF END WALLS AND HAVING AN OPENING IN THE BOTTOM WHEREBY DRY GRANULAR MATERIAL IS DISCHARGED BY GRAVITY THROUGH SAID OPENING, FEED MEANS COMMUNICATING WITH THE OPENING IN THE HOPPER AND INCLUDING A SERIES OF ROTATABLE VANES DEFINING A SERIES OF MATERIAL RECEIVING COMPARTMENTS, SAID VANES BEING ROTATABLE ABOUT AN AXIS DISPOSED GENERALLY PERPENDICULAR TO SAID END WALLS, A BAFFLE EXTENDING BETWEEN THE END WALLS OF THE HOPPER AND DIVERGING DOWNWARDLY TOWARD ONE OF THE SIDE WALLS TO DEFINE A MATERIAL FEEDING CHAMBER, THE BOTTOM END OF SAID SLOPING BAFFLE BEING SPACED FROM SAID SIDE WALL TO PROVIDE AN OUTLET COMMUNICATING WITH SAID FEED MEANS, SAID BAFFLE DEFINING AN AIR VENT CHAMBER WITH SAID OPPOSITE SAID WALL OF THE HOPPER WITH SAID AIR VENT CHAMBER COMMUNICATING WITH SAID FEED MEANS, AND AN ELONGATED AIR PERMEABLE BAG EXTENDING OUTWARDLY FROM SAID HOPPER AND COMMUNICATING WITH THE AIR VENT CHAMBER, SAID BAG BEING FORMED OF A POROUS MATERIAL TO PERMIT AIR TO PASS FREELY THERETHROUGH AND TO PREVENT THE DRY MATERIAL FROM PASSING THERETHROUGH.
Claim 2
Independent Claim
193 words
AN APPARATUS FOR HANDLING AND CONVEYING DRY GRANULAR MATERIAL, COMPRISING A HOPPER HAVING A PAIR OF SIDE WALLS AND A PAIR OF END WALLS AND HAVING AN OPENING IN THE BOTTOM WHEREBY DRY GRANULAR MATERIAL IS DISCHARGED BY GRAVITY THROUGH SAID OPENING, FEED MEANS COMMUNICATING WITH THE OPENING IN THE HOPPER AND INCLUDING A SERIES OF ROTATABLE VANES DEFINING A SERIES OF MATERIAL RECEIVING COMPARTMENTS, SAID VANES BEING ROTATABLE ABOUT AN AXIS DISPOSED GENERALLY PERPENDICULAR TO SAID END WALLS, A BAFFLE EXTENDING BETWEEN THE END WALLS OF THE HOPPER AND DIVERGING DOWNWARDLY TOWARD ONE OF THE SIDE WALLS TO DEFINE A MATERIAL FEEDING CHAMBER, THE BOTTOM END OF SAID SLOPING BAFFLE BEING SPACED FROM SAID SIDE WALL TO PROVIDE AN OUTLET COMMUNICATING WITH SAID FEED MEANS, SAID BAFFLE DEFINING AN AIR VENT CHAMBER WITH SAID OPPOSITE SAID WALL OF THE HOPPER WITH SAID AIR VENT CHAMBER COMMUNICATING WITH SAID FEED MEANS, AND AN ELONGATED AIR PERMEABLE BAG EXTENDING OUTWARDLY FROM SAID HOPPER AND COMMUNICATING WITH THE AIR VENT CHAMBER, SAID BAG BEING FORMED OF A POROUS MATERIAL TO PERMIT AIR TO PASS FREELY THERETHROUGH AND TO PREVENT THE DRY MATERIAL FROM PASSING THERETHROUGH.
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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) | 1968-12-20 | 1969-06-21 | 1969-12-21 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1972-12-20 | 1973-06-21 | 1973-12-21 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1976-12-20 | 1977-06-21 | 1977-12-21 | $7700.00 | Window Closed / Lapsed |