US2852396A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Slushing oils containing copper powder
Assignee: Standard Oil Co
•
Filing: 1955-02-11
•
Granted: 1958-09-16
•
Expires: 1975-02-11
Abstract
No abstract record available.
Inventors
- 👤 Jr William P Kinneman
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-05 17:48
CPC Classifications
C; C23; C23F; C23F11/00; C23F11/08
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
57 words
A SLUSHING OIL FOR THE PROTECTION OF STEEL ARTICLES CONSISTING ESSENTIALLY OF 86 PARTS BY WEIGHT OF AN UNREFINED HYDROCARBON OIL HAVING A VISCOSITY OF 110 SUS AT 100*F., 10 PARTS BY WEIGHT OF MICRO-CRYSTALLINE WAX, 1 PART BY WEIGHT OF SILICA AEROGEL, 1 PART BY WEIGHT POWDERED COPPER METAL, AND 2 PARTS BY WEIGHT STEARIC ACID.
Claim 2
Dependent Claim
57 words
A SLUSHING OIL FOR THE PROTECTION OF STEEL ARTICLES CONSISTING ESSENTIALLY OF 86 PARTS BY WEIGHT OF AN UNREFINED HYDROCARBON OIL HAVING A VISCOSITY OF 110 SUS AT 100*F., 10 PARTS BY WEIGHT OF MICRO-CRYSTALLINE WAX, 1 PART BY WEIGHT OF SILICA AEROGEL, 1 PART BY WEIGHT POWDERED COPPER METAL, AND 2 PARTS BY WEIGHT STEARIC ACID.
References Cited (Backward Citations)
GB189416292A
Cited
GB206706A
Cited
US2021885A
Cited
GB466480A
Cited
US2465247A
Cited
US2673838A
Cited
US2593676A
Cited
US2673161A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1961-09-15 | 1962-03-17 | 1962-09-16 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1965-09-15 | 1966-03-17 | 1966-09-16 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1969-09-15 | 1970-03-17 | 1970-09-16 | $7700.00 | Window Closed / Lapsed |