US2385200A
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Methods and apparatus for reacting gases with liquids
Assignee: Occidental Chemical Corp
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Filing: 1942-06-25
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Granted: 1945-09-18
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Expires: 1962-06-25
Abstract
No abstract record available.
Inventors
- 👤 Howard H Friedel
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-24 09:28
CPC Classifications
C; C07; C07C; C07C17/00; B; B01; B01J; B01J10/00; B01J10/002; B01J19/00; B01J19/0053; B01J19/006; B01J19/24; B01J19/2415; B01J19/2425; C07C17/093; C07C17/10; B01J2219/00; B01J2219/00049; B01J2219/00051; B01J2219/00054; B01J2219/00056; B01J2219/00058; B01J2219/0006; B01J2219/00065; B01J2219/00074; B01J2219/00076; B01J2219/00085; B01J2219/00159; B01J2219/00761; B01J2219/00763; B01J2219/00765; B01J2219/00777; Y; Y02; Y02P; Y02P20/00; Y02P20/50; Y02P20/582; Y10; Y10S; Y10S261/00; Y10S261/72
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) | 1948-09-17 | 1949-03-19 | 1949-09-18 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1952-09-17 | 1953-03-19 | 1953-09-18 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1956-09-17 | 1957-03-19 | 1957-09-18 | $7700.00 | Window Closed / Lapsed |