US3103389A
Expired / Lapsed
US
⏱️ 0.0 years remaining
E knight
Assignee: —
•
Filing: —
•
Granted: 1963-09-10
•
Expires: 1980-09-10
Abstract
No abstract record available.
Inventors
No inventors recorded.
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-05 09:58
CPC Classifications
B; B65; B65G; B65G53/00; B65G2812/00; B65G2812/16; B65G2812/1608; B65G2812/1641; B65G2812/1658; B65G2812/1666
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
109 words
AN APPARATUS FOR FLUIDIZING AND CONVEYING PULVERULENT MATERIAL COMPRISING: A RECEPTACLE HAVING A BASE PORTION INCLUDING RELATIVELY DOWNWARDLY CONVERGING WALL PORTIONS, A FLUIDIZED MATERIAL CONDUIT EXTENDING FROM SAID APPARATUS AND HAVING A VERTICALLY EXTENDING PORTION IN SAID BASE PORTION TERMINATING AT ITS LOWER END IN A FLUIDIZED MATERIAL INLET, A GAS CONDUIT EXTENDING INTO SAID APPARATUS, A FIRST PLURALITY OF DOWNWARDLY INCLINED GAS NOZZLES COMMUNICATING WITH SAID GAS CONDUIT AND DIRECTED AGAINST SAID RELATIVELY CONVERGING WALL PORTIONS, A SECOND PLURALITY OF DOWNWARDLY INCLINED GAS NOZZLES COMMUNICATING WITH SAID GAS CONDUCT AND AXIALLY ALIGNED WITH AND ADJACENT TO SAID VERTICALLY EXTENDING FLUIDIZED MATERIAL CONDUIT PORTION, DOWNWARDLY DIRECTED NOZZLE MEANS COM-
Claim 2
Independent Claim
109 words
AN APPARATUS FOR FLUIDIZING AND CONVEYING PULVERULENT MATERIAL COMPRISING: A RECEPTACLE HAVING A BASE PORTION INCLUDING RELATIVELY DOWNWARDLY CONVERGING WALL PORTIONS, A FLUIDIZED MATERIAL CONDUIT EXTENDING FROM SAID APPARATUS AND HAVING A VERTICALLY EXTENDING PORTION IN SAID BASE PORTION TERMINATING AT ITS LOWER END IN A FLUIDIZED MATERIAL INLET, A GAS CONDUIT EXTENDING INTO SAID APPARATUS, A FIRST PLURALITY OF DOWNWARDLY INCLINED GAS NOZZLES COMMUNICATING WITH SAID GAS CONDUIT AND DIRECTED AGAINST SAID RELATIVELY CONVERGING WALL PORTIONS, A SECOND PLURALITY OF DOWNWARDLY INCLINED GAS NOZZLES COMMUNICATING WITH SAID GAS CONDUCT AND AXIALLY ALIGNED WITH AND ADJACENT TO SAID VERTICALLY EXTENDING FLUIDIZED MATERIAL CONDUIT PORTION, DOWNWARDLY DIRECTED NOZZLE MEANS COM-
References Cited (Backward Citations)
US1339977A
Cited
US2850329A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1966-09-09 | 1967-03-11 | 1967-09-10 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1970-09-09 | 1971-03-11 | 1971-09-10 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1974-09-09 | 1975-03-11 | 1975-09-10 | $7700.00 | Window Closed / Lapsed |