US2453833A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Corrosion preventive
Assignee: Standard Oil Development Co
•
Filing: 1944-08-05
•
Granted: 1948-11-16
•
Expires: 1964-08-05
Abstract
No abstract record available.
Inventors
- 👤 Jr William S Davis
- 👤 Donald L Wright
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-01 02:03
CPC Classifications
C; C10; C10M; C10M1/00; C10M1/08; C10M2205/00; C10M2205/02; C10M2205/026; C10M2205/028; C10M2205/16; C10M2205/18; C10M2209/00; C10M2209/02; C10M2209/08; C10M2209/084; C10M2219/00; C10M2219/04; C10M2219/044; C10N; C10N2060/00; C10N2060/04
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1951-11-16 | 1952-05-17 | 1952-11-16 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1955-11-16 | 1956-05-17 | 1956-11-16 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1959-11-16 | 1960-05-17 | 1960-11-16 | $7700.00 | Window Closed / Lapsed |