US3124518A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Product
Assignee: —
•
Filing: —
•
Granted: 1964-03-10
•
Expires: 1981-03-10
Abstract
No abstract record available.
Inventors
No inventors recorded.
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-26 23:01
CPC Classifications
B; B01; B01J; B01J8/00; B01J8/18; B01J8/20; B01J8/22; B01J8/224; B01J8/226; B01F; B01F23/00; B01F23/20; B01F23/23; B01F23/232; B01F23/2323; B01F23/23231; B01F23/2366; B01F23/2368; B01F25/00; B01F25/50; B01F33/00; B01F33/80; B01F33/836; B01F33/8362
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
117 words
APPARATUS COMPRISING A GENERALLY VERTICAL REACTION VESSEL, MEANS FOR INTRODUCING LIQUID AND GASEOUS FEED INTO THE LOWER PORTION OF SAID VESSEL, A GENERALLY VERTICAL RECYCLE CONDUIT POSITIONED WITHIN SAID VESSEL, SAID CONDUIT HAVING AN ENLARGED UPPER END IN FLUID COMMUNICATION WITH THE UPPER PORTION OF SAID REACTION VESSEL AND AN OPEN LOWER END IN FLUID COMMUNICATION WITH THE LOWER PORTION THEREOF, SAID CONDUIT HAVING A CROSS-SECTIONAL AREA BETWEEN ABOUT 1/50 AND ABOUT 1/10 THAT OF THE REACTION VESSEL AND SAID ENLARGED UPPER END OF SAID CONDUIT HAVING A CROSS SECTIONAL AREA AT LEAST ABOUT 0.2 TIMES THAT OF THE REACTION VESSEL AND BEING SPACED HORIZONTALLY FROM THE WALLS THEREOF, AND MEANS FOR WITHDRAWING MATERIAL FROM SAID VESSEL.
Claim 2
Dependent Claim
117 words
APPARATUS COMPRISING A GENERALLY VERTICAL REACTION VESSEL, MEANS FOR INTRODUCING LIQUID AND GASEOUS FEED INTO THE LOWER PORTION OF SAID VESSEL, A GENERALLY VERTICAL RECYCLE CONDUIT POSITIONED WITHIN SAID VESSEL, SAID CONDUIT HAVING AN ENLARGED UPPER END IN FLUID COMMUNICATION WITH THE UPPER PORTION OF SAID REACTION VESSEL AND AN OPEN LOWER END IN FLUID COMMUNICATION WITH THE LOWER PORTION THEREOF, SAID CONDUIT HAVING A CROSS-SECTIONAL AREA BETWEEN ABOUT 1/50 AND ABOUT 1/10 THAT OF THE REACTION VESSEL AND SAID ENLARGED UPPER END OF SAID CONDUIT HAVING A CROSS SECTIONAL AREA AT LEAST ABOUT 0.2 TIMES THAT OF THE REACTION VESSEL AND BEING SPACED HORIZONTALLY FROM THE WALLS THEREOF, AND MEANS FOR WITHDRAWING MATERIAL FROM SAID VESSEL.
References Cited (Backward Citations)
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1967-03-10 | 1967-09-09 | 1968-03-10 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1971-03-10 | 1971-09-09 | 1972-03-10 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1975-03-10 | 1975-09-09 | 1976-03-10 | $7700.00 | Window Closed / Lapsed |