Patent US3050377A successfully refreshed from Google Patents.
US3050377A
Expired / Lapsed
US
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Assignee: Chemical Construction Corp
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Filing: 1958-07-21
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Granted: 1962-08-21
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Expires: 1978-07-21
Abstract
No abstract record available.
Inventors
- 👤 Christensen Axel
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-01 04:22
CPC Classifications
B; B01; B01J; B01J8/00; B01J8/0005
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
109 words
AN APPARATUS FOR CARRYING OUT EXOTHERMIC CHEMICAL REACTIONS WHICH COMPRISES A CONVERTER SHELL WITH INTERNAL HEAT EXCHANGER AND REACTION TUBES CONTAINING A BODY OF CATALYST THEREIN, BAFFLE MEANS TO DIRECT THE GAS ABOUT THE TUBES PLACED IN THE HEAT EXCHANGE SECTION, MEANS TO COLLECT THE GASES AND MEANS TO DIRECT SAID GASES FROM THE HEAT EXCHANGE SECTION TO THAT PORTION OF THE CATALYST TUBES WHICH IS FARTHEST FROM THE HEAT EXCHANGE SECTION SAID LATTER MEANS DEFINING AN ANNULAR SPACE BETWEEN THE SHELL AND THE CATALYST TUBE SECTION, BAFFLE MEANS TO DIRECT THE GASES ABOUT THE CATALYST TUBES TO THE SECTION OF SAID CATALYST-CONTAINING TUBES NEAREST THE HEAT EXCHANGE SEC-
Claim 2
Independent Claim
109 words
AN APPARATUS FOR CARRYING OUT EXOTHERMIC CHEMICAL REACTIONS WHICH COMPRISES A CONVERTER SHELL WITH INTERNAL HEAT EXCHANGER AND REACTION TUBES CONTAINING A BODY OF CATALYST THEREIN, BAFFLE MEANS TO DIRECT THE GAS ABOUT THE TUBES PLACED IN THE HEAT EXCHANGE SECTION, MEANS TO COLLECT THE GASES AND MEANS TO DIRECT SAID GASES FROM THE HEAT EXCHANGE SECTION TO THAT PORTION OF THE CATALYST TUBES WHICH IS FARTHEST FROM THE HEAT EXCHANGE SECTION SAID LATTER MEANS DEFINING AN ANNULAR SPACE BETWEEN THE SHELL AND THE CATALYST TUBE SECTION, BAFFLE MEANS TO DIRECT THE GASES ABOUT THE CATALYST TUBES TO THE SECTION OF SAID CATALYST-CONTAINING TUBES NEAREST THE HEAT EXCHANGE SEC-
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) | 1965-08-20 | 1966-02-19 | 1966-08-21 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1969-08-20 | 1970-02-19 | 1970-08-21 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1973-08-20 | 1974-02-19 | 1974-08-21 | $7700.00 | Window Closed / Lapsed |