US2195659A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Stable mineral oil and method of preparing the same
Assignee: Standard Oil Co
•
Filing: 1937-02-06
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Granted: 1940-04-02
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Expires: 1957-02-06
Abstract
No abstract record available.
Inventors
- 👤 Bernard H Shoemaker
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-30 23:45
CPC Classifications
H; H01; H01B; H01B3/00; H01B3/18; H01B3/20; H01B3/22; C; C10; C10L; C10L1/00; C10L1/10; C10L1/14; C10L1/16; C10L1/1616; C10M; C10M1/00; C10M1/08; C10M2203/00; C10M2203/10; C10M2203/102; C10M2203/104; C10M2203/106; C10M2203/108; C10N; C10N2040/00; C10N2040/135; C10N2040/14; C10N2040/16; C10N2040/17; C10N2040/46
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) | 1943-04-02 | 1943-10-02 | 1944-04-02 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1947-04-02 | 1947-10-02 | 1948-04-02 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1951-04-02 | 1951-10-02 | 1952-04-02 | $7700.00 | Window Closed / Lapsed |