US2664347A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Catalyst chamber collector system
Assignee: Phillips Petroleum Co
•
Filing: 1947-10-08
•
Granted: 1953-12-29
•
Expires: 1967-10-08
Abstract
No abstract record available.
Inventors
- 👤 Alexander R Rehrig
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-27 08:11
CPC Classifications
B; B01; B01J; B01J8/00; B01J8/02; B01J8/0278
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
77 words
A REACTION CHAMBER, ADAPTED TO CONTAIN PARTICULATE CONTACT MATERIAL, COMPRISING IN COMBINATION A CLOSED OUTER SHELL ENCLOSING A CONTACT CHAMBER THEREIN; REACTANT MATERIAL INLET MEANS IN THE UPPER PORTION OF SAID SHELL; EFFLUENT OUTLET MEANS EXTENDING UPWARDLY, CENTRALLY THROUGH THE BOTTOM OF SAID SHELL A SPACED DISTANCE INTO SAID CONTACT CHAMBER, SAID EFFLUENT OUTLET MEANS BEING CLOSED AT ITS UPPER END AT LEAST ENOUGH TO SUBSTANTIALLY PREVENT THE PASSAGE OF SOLID MATERIAL THERETHROUGH; EFFLUENT COLLECTION MEANS COM-
Claim 2
Dependent Claim
77 words
A REACTION CHAMBER, ADAPTED TO CONTAIN PARTICULATE CONTACT MATERIAL, COMPRISING IN COMBINATION A CLOSED OUTER SHELL ENCLOSING A CONTACT CHAMBER THEREIN; REACTANT MATERIAL INLET MEANS IN THE UPPER PORTION OF SAID SHELL; EFFLUENT OUTLET MEANS EXTENDING UPWARDLY, CENTRALLY THROUGH THE BOTTOM OF SAID SHELL A SPACED DISTANCE INTO SAID CONTACT CHAMBER, SAID EFFLUENT OUTLET MEANS BEING CLOSED AT ITS UPPER END AT LEAST ENOUGH TO SUBSTANTIALLY PREVENT THE PASSAGE OF SOLID MATERIAL THERETHROUGH; EFFLUENT COLLECTION MEANS COM-
References Cited (Backward Citations)
US2364775A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1956-12-28 | 1957-06-29 | 1957-12-29 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1960-12-28 | 1961-06-29 | 1961-12-29 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1964-12-28 | 1965-06-29 | 1965-12-29 | $7700.00 | Window Closed / Lapsed |