US2644793A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Rust inhibiting composition
Assignee: Standard Oil Development Co
•
Filing: 1950-08-30
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Granted: 1953-07-07
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Expires: 1970-08-30
Abstract
No abstract record available.
Inventors
- 👤 Harry W Rudel
- 👤 Gargisa Marion
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-02 17:11
CPC Classifications
C; C10; C10M; C10M1/00; C10M1/08; C07; C07C; C07C323/00; C10M2219/00; C10M2219/08; C10M2219/082; C10M2219/084; C10M2219/085; C10M2219/10; C10M2219/102; C10M2219/104; C10M2219/106; C10N; C10N2030/00; C10N2030/12; C10N2040/00; C10N2040/135; C10N2040/30; C10N2040/32; C10N2040/34; C10N2040/36; C10N2040/38; C10N2040/40; C10N2040/42; C10N2040/44; C10N2040/50; C10N2070/00; C10N2070/02
Claims Analysis
Total Claims: 1
Claim 1
Independent Claim
16 words
A MINERAL LUBRICATING OIL CONTAINING DISSOLVED THEREIN 0.001 TO 5% OF THE COMPOUND OF THE FORMULA
References Cited (Backward Citations)
US2201535A
Cited
US2462200A
Cited
US2449996A
Cited
US2477356A
Cited
US2451895A
Cited
US2503401A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1956-07-06 | 1957-01-05 | 1957-07-07 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1960-07-06 | 1961-01-05 | 1961-07-07 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1964-07-06 | 1965-01-05 | 1965-07-07 | $7700.00 | Window Closed / Lapsed |