US2587546A
Expired / Lapsed
US
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Rust inhibiting composition
Assignee: Standard Oil Development Co
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Filing: 1948-10-30
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Granted: 1952-02-26
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Expires: 1968-10-30
Abstract
No abstract record available.
Inventors
- 👤 Alfred H Matuszak
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-25 13:02
CPC Classifications
C; C10; C10M; C10M1/00; C10M1/08; C10M2201/00; C10M2201/04; C10M2201/041; C10M2201/042; C10M2201/06; C10M2201/062; C10M2203/00; C10M2203/10; C10M2203/102; C10M2203/104; C10M2203/106; C10M2203/108; C10M2205/00; C10M2205/18; C10M2207/00; C10M2207/02; C10M2207/021; C10M2207/08; C10M2207/10; C10M2207/12; C10M2207/125; C10M2207/129; C10M2207/28; C10M2207/40; C10M2207/404; C10M2215/00; C10M2215/02; C10M2215/04; C10M2215/042; C10M2215/08; C10M2215/082; C10M2215/24; C10M2215/28; C10M2219/00; C10M2219/02; C10M2219/024; C10N; C10N2030/00; C10N2030/12; C10N2040/00; C10N2040/135
Claims Analysis
Total Claims: 1
Claim 1
Independent Claim
39 words
A RUST INHIBITING COMPOSITION CONSISTING ESSENTIALLY OF A MINERAL LUBRICATING OIL AND ABOUT 0.5 TO 1% OF A HYDROXY-ALIPHATIC AMINE SALT SELECTED FROM THE GROUP WHICH CONSISTS OF THE OLEIC ACID SALTS OF MONO-, DI-, AND TRI-METHYLOL AMINO METHANES.
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) | 1955-02-25 | 1955-08-27 | 1956-02-26 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1959-02-25 | 1959-08-27 | 1960-02-26 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1963-02-25 | 1963-08-27 | 1964-02-26 | $7700.00 | Window Closed / Lapsed |