US3799875A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Cutting oil compositions
Assignee: Phillips Petroleum Co
•
Filing: 1971-04-21
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Granted: 1974-03-26
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Expires: 1991-04-21
Abstract
Abstract CUTTING OIL COMPOSITION: (1) MINERAL OIL (2) HYDROGENATED BUTADIENE-STYRENE COPOLYMER (3) SULFUR-CONTAINING ORGANIC EXTREME PRESSURE AGENT (4) CHLORINE-CONTAINING ORGANIC EXTREME PRESSURE AGENT.
Inventors
- 👤 R Rohde
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-29 04:59
CPC Classifications
C; C10; C10M; C10M1/00; C10M1/08; C10M2205/00; C10M2205/06; C10M2211/00; C10M2211/02; C10M2211/08; C10M2219/00; C10M2219/02; C10M2219/022; C10M2219/06; C10M2219/062; C10M2219/066; C10M2219/068; C10M2223/00; C10M2223/02; C10M2223/04; C10M2223/041; C10M2223/042; C10N; C10N2040/00; C10N2040/20; C10N2040/22
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) | 1977-03-25 | 1977-09-24 | 1978-03-26 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1981-03-25 | 1981-09-24 | 1982-03-26 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1985-03-25 | 1985-09-24 | 1986-03-26 | $7700.00 | Window Closed / Lapsed |