Patent US2488150A successfully refreshed from Google Patents.
US2488150A
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Preparation and regeneration of a hydrocarbon synthesis catalyst
Assignee: Standard Oil Development Co
•
Filing: 1946-11-08
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Granted: 1949-11-15
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Expires: 1966-11-08
Abstract
No abstract record available.
Inventors
- 👤 George H Walden
- 👤 Jerry A Pierce
- 👤 Marnell A Segura
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-02 14:41
CPC Classifications
C; C07; C07C; C07C1/00; C07C1/02; C07C1/04; C07C1/0485; C07C1/049; B; B01; B01J; B01J23/00; B01J23/90; B01J23/94; C07C1/0425; C07C1/045; C07C2523/00; C07C2523/70; C07C2523/74; C07C2523/745; C07C2523/75; C07C2523/755; Y; Y02; Y02P; Y02P20/00; Y02P20/50; Y02P20/584
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
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GB191121066A
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US2289731A
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US2416730A
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US2412025A
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US2417164A
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USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1952-11-14 | 1953-05-16 | 1953-11-15 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1956-11-14 | 1957-05-16 | 1957-11-15 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1960-11-14 | 1961-05-16 | 1961-11-15 | $7700.00 | Window Closed / Lapsed |