US3156534A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Apparatus for treatment of molten materials
Assignee: Individual
•
Filing: 1962-08-17
•
Granted: 1964-11-10
•
Expires: 1982-08-17
Abstract
No abstract record available.
Inventors
- 👤 Paul R Josephson
- 👤 Lawrence E Burkhart
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-03 13:02
CPC Classifications
C; C22; C22B; C22B9/00
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
138 words
AN APPARATUS FOR REACTING TWO TYPES OF MOLTEN MATERIALS WITH EACH OTHER, COMPRISING: A VERTICAL COLUMN; AN INLET AND AN OUTLET IN THE BOTTOM OF SAID COLUMN; AN INLET AND AN OUTLET IN THE TOP OF SAID COLUMN; A ROTATABLE SHAFT AXIALLY ARRANGED IN SAID COLUMN; A PLURALITY OF HOLLOW DISTRIBUTOR ELEMENTS ATTACHED TO SAID SHAFT AND SPACED FROM SAID COLUMN, EACH OF SAID ELEMENTS HAVING A DECREASING DIAMETER TOWARDS EACH END AND THE GREATEST DIAMETER BETWEEN THE ENDS AND HAVING A PLURALITY OF ORIFICES IN THE PERIPHERY AT A LOCATION OF GREATER DIAMETER THAN THOSE OF THE TWO ENDS; AND A PLURALITY OF NONPERFORATED GUIDE FUNNELS DIRECTLY ATTACHED TO THE INSIDE OF SAID COLUMN WALL, ONE EACH BELOW EACH DISTRIBUTOR ELEMENT, EACH FUNNEL HAVING THE BOTTOM OPENING CONCENTRICALLY ARRANGED AROUND SAID SHAFT AS THE ONLY PASSAGE THERETHROUGH.
Claim 2
Independent Claim
138 words
AN APPARATUS FOR REACTING TWO TYPES OF MOLTEN MATERIALS WITH EACH OTHER, COMPRISING: A VERTICAL COLUMN; AN INLET AND AN OUTLET IN THE BOTTOM OF SAID COLUMN; AN INLET AND AN OUTLET IN THE TOP OF SAID COLUMN; A ROTATABLE SHAFT AXIALLY ARRANGED IN SAID COLUMN; A PLURALITY OF HOLLOW DISTRIBUTOR ELEMENTS ATTACHED TO SAID SHAFT AND SPACED FROM SAID COLUMN, EACH OF SAID ELEMENTS HAVING A DECREASING DIAMETER TOWARDS EACH END AND THE GREATEST DIAMETER BETWEEN THE ENDS AND HAVING A PLURALITY OF ORIFICES IN THE PERIPHERY AT A LOCATION OF GREATER DIAMETER THAN THOSE OF THE TWO ENDS; AND A PLURALITY OF NONPERFORATED GUIDE FUNNELS DIRECTLY ATTACHED TO THE INSIDE OF SAID COLUMN WALL, ONE EACH BELOW EACH DISTRIBUTOR ELEMENT, EACH FUNNEL HAVING THE BOTTOM OPENING CONCENTRICALLY ARRANGED AROUND SAID SHAFT AS THE ONLY PASSAGE THERETHROUGH.
References Cited (Backward Citations)
US2769618A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1967-11-10 | 1968-05-11 | 1968-11-10 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1971-11-10 | 1972-05-11 | 1972-11-10 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1975-11-10 | 1976-05-11 | 1976-11-10 | $7700.00 | Window Closed / Lapsed |