US2301052A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Polymerized hydrocarbon oils
Assignee: Standard Oil Co
•
Filing: 1938-10-08
•
Granted: 1942-11-03
•
Expires: 1958-10-08
Abstract
No abstract record available.
Inventors
- 👤 Emmet R Kirn
- 👤 Fragen Nathan
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-29 22:31
CPC Classifications
C; C10; C10G; C10G50/00; C10G50/02; Y; Y10; Y10S; Y10S585/00; Y10S585/8995; Y10S585/905
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
No citation records indexed.
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1945-11-02 | 1946-05-04 | 1946-11-03 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1949-11-02 | 1950-05-04 | 1950-11-03 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1953-11-02 | 1954-05-04 | 1954-11-03 | $7700.00 | Window Closed / Lapsed |