US2453709A
Expired / Lapsed
US
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Grinding oil composition
Assignee: Standard Oil Co
•
Filing: 1945-11-13
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Granted: 1948-11-16
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Expires: 1965-11-13
Abstract
No abstract record available.
Inventors
- 👤 Everett C Hughes
- 👤 Veatch Franklin
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-08 11:03
CPC Classifications
C; C10; C10M; C10M101/00; C10M101/02; C10M2203/00; C10M2203/10; C10M2203/1006; C10M2203/102; C10M2203/1025; C10M2203/104; C10M2203/1045; C10M2203/106; C10M2203/1065; C10M2203/108; C10M2203/1085; C10M2207/00; C10M2207/40; C10M2207/404; C10M2219/00; C10M2219/04; C10M2219/044; C10M2223/00; C10M2223/10; C10N; C10N2040/00; C10N2040/20; C10N2040/22
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 |