US3231339A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Thermally insulated reaction vessels
Assignee: Gas Council
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Filing: 1963-09-13
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Granted: 1966-01-25
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Expires: 1983-09-13
Abstract
No abstract record available.
Inventors
- 👤 Murthy Panchagnula Srinivasa
- 👤 Edge Ronald Forfar
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-03 13:04
CPC Classifications
B; B01; B01J; B01J3/00; B01J3/04
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
112 words
A THERMALLY INSULATED REACTION VESSEL FOR CARRYING OUT REACTIONS UNDER SUPERATMOSPHERIC PRESSURE, WHICH COMPRISES AN INNER WALL BOUNDING THE REACTION ZONE, A PRESSURE-RESISTANT OUTER WALL WHICH IS IN CONTACT WITH THE ATMOSPHERE AND IS SPACED FROM THE INNER WALL TO FORM A THERMAL INSULATION SPACE, AND ONE OR MORE SUBSTANTIALLY GAS-IMPERVIOUS PARTITIONS THAT DIVIDE THE SAID SPACE INTO A PLURALITY OF COMPARTMENTS, EACH PARTITION EXTENDING THROUGH THE SAID SPACE IN A DIRECTION TRANSVERSELY OF THE WIDTH OF THE LATTER, BEING SPACED FROM THE INNER AND OUTER WALLS AND ANY ADJACENT PARTITION AND EACH COMPARTMENT BEING CHARGED WITH THERMALLY INSULATING MATERIAL, AND ALL THE COMPARTMENTS BEING IN RESTRICTED COMMUNICTION WITH THE REACTION ZONE.
Claim 2
Dependent Claim
112 words
A THERMALLY INSULATED REACTION VESSEL FOR CARRYING OUT REACTIONS UNDER SUPERATMOSPHERIC PRESSURE, WHICH COMPRISES AN INNER WALL BOUNDING THE REACTION ZONE, A PRESSURE-RESISTANT OUTER WALL WHICH IS IN CONTACT WITH THE ATMOSPHERE AND IS SPACED FROM THE INNER WALL TO FORM A THERMAL INSULATION SPACE, AND ONE OR MORE SUBSTANTIALLY GAS-IMPERVIOUS PARTITIONS THAT DIVIDE THE SAID SPACE INTO A PLURALITY OF COMPARTMENTS, EACH PARTITION EXTENDING THROUGH THE SAID SPACE IN A DIRECTION TRANSVERSELY OF THE WIDTH OF THE LATTER, BEING SPACED FROM THE INNER AND OUTER WALLS AND ANY ADJACENT PARTITION AND EACH COMPARTMENT BEING CHARGED WITH THERMALLY INSULATING MATERIAL, AND ALL THE COMPARTMENTS BEING IN RESTRICTED COMMUNICTION WITH THE REACTION ZONE.
References Cited (Backward Citations)
US1920886A
Cited
US2548519A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1969-01-24 | 1969-07-26 | 1970-01-25 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1973-01-24 | 1973-07-26 | 1974-01-25 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1977-01-24 | 1977-07-26 | 1978-01-25 | $7700.00 | Window Closed / Lapsed |