US3567404A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Reactor vessel
Assignee: Pullman Inc
•
Filing: 1967-08-18
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Granted: 1971-03-02
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Expires: 1987-08-18
Abstract
Abstract A REACTOR VESSEL HAVING AN OUTER SHELL, A HEAT EXCHANGER AND AN INNER SHELL, THE INNER SHELL CONTAINING A SERIES OF CATALYTIC REACTION BEDS HAVING THEIR ENTRANCE AREAS DISPOSED PARALLEL TO THE LONGITUDINAL AXIS OF THE OUTER AND INNER SHELLS.
Inventors
- 👤 Leonard C Axelrod
- 👤 Raymond S Eagle
- 👤 James B Fleming
- 👤 Gerhard M Kahn
- 👤 Orlando J Quartulli
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-07 12:58
CPC Classifications
C; C01; C01C; C01C1/00; C01C1/02; C01C1/04; C01C1/0405; C01C1/0417; C01C1/0423; B; B01; B01J; B01J8/00; B01J8/0005; B01J8/02; B01J8/04; B01J8/0446; B01J8/0476; B01J8/0484; B01J2219/00; B01J2219/18; B01J2219/182; Y; Y02; Y02P; Y02P20/00; Y02P20/50; Y02P20/52
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
No citation records indexed.
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1974-03-01 | 1974-08-31 | 1975-03-02 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1978-03-01 | 1978-08-31 | 1979-03-02 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1982-03-01 | 1982-08-31 | 1983-03-02 | $7700.00 | Window Closed / Lapsed |