US3051561A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Radial flow reactor
Assignee: Standard Oil Co
•
Filing: 1959-05-14
•
Granted: 1962-08-28
•
Expires: 1979-05-14
Abstract
No abstract record available.
Inventors
- 👤 William W Grimes
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-31 03:32
CPC Classifications
B; B01; B01J; B01J8/00; B01J8/02; B01J8/0207; B01J8/0214; B01J2208/00; B01J2208/00796; B01J2208/00884
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US1270042A
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US1682787A
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US2363738A
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US2315208A
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US2483923A
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US2683654A
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US2750042A
Cited
US2855103A
Cited
US2943921A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1965-08-27 | 1966-02-26 | 1966-08-28 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1969-08-27 | 1970-02-26 | 1970-08-28 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1973-08-27 | 1974-02-26 | 1974-08-28 | $7700.00 | Window Closed / Lapsed |