US2634237A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Rust inhibiting composition
Assignee: Shell Development Co
•
Filing: 1949-04-15
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Granted: 1953-04-07
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Expires: 1969-04-15
Abstract
No abstract record available.
Inventors
- 👤 Kopf Warren John
- 👤 Westcott Laurence Clayton
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-01 18:17
CPC Classifications
C; C23; C23F; C23F15/00; C10; C10M; C10M1/00; C10M1/08; C10M2205/00; C10M2205/16; C10M2207/00; C10M2207/02; C10M2207/023; C10M2207/025; C10M2207/026; C10M2207/027; C10M2207/04; C10M2207/044; C10M2207/046; C10M2207/10; C10M2207/12; C10M2207/121; C10M2207/122; C10M2207/123; C10M2207/125; C10M2207/129; C10M2207/14; C10M2207/141; C10M2207/144; C10M2207/146; C10M2207/16; C10M2207/20; C10M2207/22; C10M2207/24; C10M2207/28; C10M2207/282; C10M2207/284; C10M2207/285; C10M2207/287; C10M2207/289; C10M2207/34; C10M2207/40; C10M2207/402; C10M2207/404; C10M2209/00; C10M2209/02; C10M2209/08; C10M2209/082; C10M2209/084; C10M2209/10; C10M2209/101; C10M2209/103; C10M2209/104; C10M2211/00; C10M2211/04; C10M2211/042; C10M2211/044; C10M2211/06; C10M2215/00; C10M2215/02; C10M2215/04; C10M2215/044; C10M2215/06; C10M2215/062; C10M2215/064; C10M2215/065; C10M2215/10; C10M2215/102; C10M2215/20; C10M2215/202; C10M2215/204; C10M2215/22; C10M2215/221; C10M2215/225; C10M2215/226; C10M2215/24; C10M2215/30; C10M2219/00; C10M2219/04; C10M2219/042; C10M2219/044; C10M2219/06; C10M2219/08; C10M2219/082; C10M2219/085; C10M2219/086; C10M2219/087; C10M2219/089; C10M2223/00; C10M2223/02; C10M2223/04; C10M2223/042; C10M2223/043; C10M2223/045; C10M2223/06; C10M2223/063; C10M2223/065; C10M2223/08; C10M2223/10; C10M2227/00; C10M2227/08; C10M2229/00; C10M2229/04; C10M2229/041; C10N; C10N2010/00; C10N2010/02; C10N2010/04; C10N2010/06; C10N2010/08; C10N2010/10; C10N2010/12; C10N2010/14; C10N2010/16; C10N2030/00; C10N2030/12; C10N2050/00; C10N2050/10; C10N2060/00; C10N2060/04
Claims Analysis
Total Claims: 1
Claim 1
Independent Claim
21 words
A RUST INHIBITING COMPOSITION CONTAINING THE FOLLOWING CONSTITUENTS IN THE FOLLOWING PROPORTTIONS: PB NAPHTHENATE 0.001-2% PENTAERYTHRITOL MONOOLEATE 0.01-5% MINERAL OIL BALANCE
References Cited (Backward Citations)
US2151285A
Cited
US2371333A
Cited
US2398193A
Cited
US2415353A
Cited
US2448567A
Cited
US2479424A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1956-04-06 | 1956-10-06 | 1957-04-07 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1960-04-06 | 1960-10-06 | 1961-04-07 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1964-04-06 | 1964-10-06 | 1965-04-07 | $7700.00 | Window Closed / Lapsed |