US2621113A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Apparatus for catalytic conversion of hydrocarbons
Assignee: Universal Oil Products Co
•
Filing: 1945-10-31
•
Granted: 1952-12-09
•
Expires: 1965-10-31
Abstract
No abstract record available.
Inventors
- 👤 Joseph G Alther
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-26 12:52
CPC Classifications
B; B01; B01J; B01J8/00; B01J8/18; B01J8/24; B01J8/26; B01J8/28
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
109 words
AN APPRATUS OF THE CLASS DESCRIBED COMPRISING, IN COMBINATION, A VERTICALLY DISPOSED, SUBSTANTIALLY CYLINDRICAL VESSEL, MEANS FOR SUPPLYING FLUID TO THE LOWER PORTION OF SAID VESSEL, MEANS FOR DISCHARGING FLUID FROM ITS UPPER PORTION, A SEPARATING CHAMBER ON SAID VESSEL HAING AN ENLARGED UPPER PORTION OF GREATER CROSS-SECTIONAL AREA THAN THE VESSEL AND A SUBSTANTIALLY CONICAL BOTTOM HEAD EXTENDING DOWNWARDLY INTO SAID VESSEL AND SERVING AS A TOP CLOSURE MEMBER FOR THE VESSEL, A PLURALITY OF VERTICAL TUBULAR ELEMENTS ADJACENT AND SPACED AROUND THE PERIPHERY OF SAID VESSEL AND EXTENDING INTO SAID ENLARGED UPPER PORTION OF THE SEPARATING CHAMBER, A PERFORATED GRID EXTENDING ACROSS THE LOWER PORTION OF SAID
Claim 2
Dependent Claim
109 words
AN APPRATUS OF THE CLASS DESCRIBED COMPRISING, IN COMBINATION, A VERTICALLY DISPOSED, SUBSTANTIALLY CYLINDRICAL VESSEL, MEANS FOR SUPPLYING FLUID TO THE LOWER PORTION OF SAID VESSEL, MEANS FOR DISCHARGING FLUID FROM ITS UPPER PORTION, A SEPARATING CHAMBER ON SAID VESSEL HAING AN ENLARGED UPPER PORTION OF GREATER CROSS-SECTIONAL AREA THAN THE VESSEL AND A SUBSTANTIALLY CONICAL BOTTOM HEAD EXTENDING DOWNWARDLY INTO SAID VESSEL AND SERVING AS A TOP CLOSURE MEMBER FOR THE VESSEL, A PLURALITY OF VERTICAL TUBULAR ELEMENTS ADJACENT AND SPACED AROUND THE PERIPHERY OF SAID VESSEL AND EXTENDING INTO SAID ENLARGED UPPER PORTION OF THE SEPARATING CHAMBER, A PERFORATED GRID EXTENDING ACROSS THE LOWER PORTION OF SAID
References Cited (Backward Citations)
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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) | 1955-12-09 | 1956-06-09 | 1956-12-09 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1959-12-09 | 1960-06-09 | 1960-12-09 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1963-12-09 | 1964-06-09 | 1964-12-09 | $7700.00 | Window Closed / Lapsed |