US2415161A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Prevention of corrosion
Assignee: Standard Oil Development Co
•
Filing: 1945-04-19
•
Granted: 1947-02-04
•
Expires: 1965-04-19
Abstract
No abstract record available.
Inventors
- 👤 Elza Q Camp
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-07 16:21
CPC Classifications
C; C23; C23F; C23F11/00; C23F11/02; C10; C10L; C10L1/00; C10L1/10; C10L1/14; C10L1/18; C10L1/182; C10L1/1822; C10L1/1824; C10L1/185; C10L1/1857; C10L1/19; Y; Y10; Y10S; Y10S585/00; Y10S585/949; Y10S585/95
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
GB315091A
Cited
US1948029A
Cited
GB433410A
Cited
US2143509A
Cited
US2215950A
Cited
US2296342A
Cited
GB548262A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1950-02-03 | 1950-08-05 | 1951-02-04 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1954-02-03 | 1954-08-05 | 1955-02-04 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1958-02-03 | 1958-08-05 | 1959-02-04 | $7700.00 | Window Closed / Lapsed |