US2449585A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Suppression of corrosion in ferrous alloy vessels in the treatment of hydrocarbons
Assignee: Standard Oil Development Co
•
Filing: 1946-08-19
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Granted: 1948-09-21
•
Expires: 1966-08-19
Abstract
No abstract record available.
Inventors
- 👤 Elza Q Camp
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-31 11:41
CPC Classifications
C; C10; C10L; C10L1/00; C10L1/10; C10L1/14; C10L1/18; C10L1/188; C10L1/1881; B; B01; B01J; B01J19/00; B01J19/02; C10G; C10G9/00; C10G9/14; C10G9/16; B01J2219/00; B01J2219/02; B01J2219/025; B01J2219/0277
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US1605761A
Cited
US1981150A
Cited
GB428749A
Cited
GB437613A
Cited
US2370533A
Cited
US2374167A
Cited
US2402034A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1951-09-21 | 1952-03-22 | 1952-09-21 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1955-09-21 | 1956-03-22 | 1956-09-21 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1959-09-21 | 1960-03-22 | 1960-09-21 | $7700.00 | Window Closed / Lapsed |