US2836561A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Lubricating oils
Assignee: CC Wakefield and Co Ltd
•
Filing: 1955-05-09
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Granted: 1958-05-27
•
Expires: 1975-05-09
Abstract
No abstract record available.
Inventors
- 👤 Elliott John Scotchford
- 👤 Edwards Eric Descamp
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-07 10:56
CPC Classifications
C; C10; C10M; C10M1/00; C10M1/08; C10M2203/00; C10M2203/10; C10M2207/00; C10M2207/28; C10M2207/282; C10M2207/283; C10M2207/284; C10M2207/285; C10M2207/34; C10M2207/40; C10M2207/402; C10M2207/404; C10M2209/00; C10M2209/10; C10M2209/103; C10M2209/104; C10M2209/108; C10M2211/00; C10M2211/02; C10M2211/022; C10M2211/06; C10M2211/08; C10M2219/00; C10M2219/02; C10M2219/022; C10M2219/024; C10M2219/04; C10M2219/044; C10M2219/06; C10M2219/062; C10M2219/066; C10M2219/068; C10M2219/08; C10M2219/082; C10M2219/083; C10M2219/084; C10M2219/085; C10M2219/086; C10M2219/087; C10M2219/089; C10M2219/10; C10M2219/102; C10M2219/104; C10M2219/106; C10M2223/00; C10M2223/08; C10N; C10N2010/00; C10N2010/04; C10N2010/14; C10N2010/16; C10N2030/00; C10N2030/12; C10N2040/00; C10N2040/02; C10N2040/04; C10N2040/042; C10N2040/044; C10N2040/046; C10N2040/135; C10N2040/20; C10N2040/22
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
57 words
A TURBINE OIL COMPRISING MINERAL OIL CONTAINING FROM 0.5 TO 2.0 PERCENT OF A COMPOUND SELECTED FROM THE GROUP CONSISTING OF DI(N-BUTYL) DITHIODIACETATE AND DI(N BUTYL) TRITHIODIACETATE, DISULPHIDE AND FROM 0.05 TO 0.2 PERCENT OFBENZOTHIAZOLE DISULPHIDE AND FROM 0.05 TO 0.2 PERCENT OF AN ORGANIC DITHIOCARBAMATE SELECTED FROM THE GROUP CONSISTING OF ZINC, CADMIUM AND IRON DITHIOCARBAMATES.
Claim 2
Dependent Claim
57 words
A TURBINE OIL COMPRISING MINERAL OIL CONTAINING FROM 0.5 TO 2.0 PERCENT OF A COMPOUND SELECTED FROM THE GROUP CONSISTING OF DI(N-BUTYL) DITHIODIACETATE AND DI(N BUTYL) TRITHIODIACETATE, DISULPHIDE AND FROM 0.05 TO 0.2 PERCENT OFBENZOTHIAZOLE DISULPHIDE AND FROM 0.05 TO 0.2 PERCENT OF AN ORGANIC DITHIOCARBAMATE SELECTED FROM THE GROUP CONSISTING OF ZINC, CADMIUM AND IRON DITHIOCARBAMATES.
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) | 1961-05-26 | 1961-11-25 | 1962-05-27 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1965-05-26 | 1965-11-25 | 1966-05-27 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1969-05-26 | 1969-11-25 | 1970-05-27 | $7700.00 | Window Closed / Lapsed |