Patent US3282844A successfully refreshed from Google Patents.
US3282844A
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Mineral lubricating oil compositions containing poly
Assignee: Atlantic Richfield Co
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Filing: 1964-12-10
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Granted: 1966-11-01
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Expires: 1984-12-10
Abstract
No abstract record available.
Inventors
- 👤 Alfred E Borchert
- 👤 Anne M Karrash
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-25 16:11
CPC Classifications
C; C10; C10M; C10M145/00; C10M145/02; C10M145/10; C10M145/12; C10M145/14; C08; C08F; C08F20/00; C08F20/02; C08F20/10; C08F20/12; C08F20/16; C08F20/18; C10M2209/00; C10M2209/02; C10M2209/08; C10M2209/084
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
20 words
A LUBRICATING OIL COMPOSITION COMPRISING A MAJOR AMOUNT OF MINERAL LUBRICATING OIL AND AN OIL-SOLUBLE MINOR AMOUNT OF POLY(10-PINANYLMETHYL METHACRYLATE).
Claim 2
Dependent Claim
20 words
A LUBRICATING OIL COMPOSITION COMPRISING A MAJOR AMOUNT OF MINERAL LUBRICATING OIL AND AN OIL-SOLUBLE MINOR AMOUNT OF POLY(10-PINANYLMETHYL METHACRYLATE).
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) | 1969-10-31 | 1970-05-02 | 1970-11-01 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1973-10-31 | 1974-05-02 | 1974-11-01 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1977-10-31 | 1978-05-02 | 1978-11-01 | $7700.00 | Window Closed / Lapsed |