US2512608A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Synthesis catalyst
Assignee: Standard Oil Development Co
•
Filing: 1946-11-08
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Granted: 1950-06-27
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Expires: 1966-11-08
Abstract
No abstract record available.
Inventors
- 👤 Fred J Buchmann
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-09 12:58
CPC Classifications
B; B01; B01J; B01J37/00; B01J37/02; B01J37/0215; B01J37/023; B01J23/00; B01J23/70; B01J23/74; C; C07; C07C; C07C1/00; C07C1/02; C07C1/04; C07C1/0425; C07C1/043; C07C1/0435; C07C1/044; B01J37/0225; C07C2521/00; C07C2521/02; C07C2521/06; C07C2521/08; C07C2523/00; C07C2523/70; C07C2523/74; C07C2523/745; C07C2523/75; C07C2523/755
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US1043580A
Cited
US1151003A
Cited
US1672308A
Cited
US1984380A
Cited
GB408067A
Cited
US2167004A
Cited
US2254806A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1953-06-26 | 1953-12-26 | 1954-06-27 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1957-06-26 | 1957-12-26 | 1958-06-27 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1961-06-26 | 1961-12-26 | 1962-06-27 | $7700.00 | Window Closed / Lapsed |