US2937994A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Lubricating oil composition containing a silicon-tin-containing compound
Assignee: General Electric Co
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Filing: 1957-12-11
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Granted: 1960-05-24
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Expires: 1977-12-11
Abstract
No abstract record available.
Inventors
- 👤 Norman G Holdstock
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-05 12:26
CPC Classifications
C; C10; C10M; C10M3/00; C07; C07F; C07F7/00; C07F7/22; C07F7/2208; C08; C08G; C08G77/00; C08G77/48; C08G77/58; C10M1/00; C10M1/08; C10M2207/00; C10M2207/28; C10M2207/282; C10M2207/34; C10M2207/40; C10M2207/404; C10M2219/00; C10M2219/10; C10M2219/104; C10M2219/108; C10M2227/00; C10M2227/08; C10M2227/083; C10M2229/00; C10M2229/02; C10M2229/04; C10M2229/041; C10M2229/05; C10M2229/051; C10N; C10N2020/00; C10N2020/01; C10N2030/00; C10N2030/08; C10N2040/00; C10N2040/08; C10N2040/12; C10N2040/13
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
43 words
A LUBRICATING COMPOSITION HAVING IMPROVED LUBRICATING CHARACTERISTICS CONSISTING ESSENTIALLY OF (1) A LUBRICATING MATERIAL SELECTED FROM THE GROUP CONSISTING OF MINERAL OILS AND ORGANOPOLYSILOXANE OILS AND (2) FROM 1 TO 10% BY WEIGHT BASED ON (1) OF A TIN-CARBONSILICON-CONTAINING COMPOUND OF THE FORMULA:
Claim 2
Dependent Claim
43 words
A LUBRICATING COMPOSITION HAVING IMPROVED LUBRICATING CHARACTERISTICS CONSISTING ESSENTIALLY OF (1) A LUBRICATING MATERIAL SELECTED FROM THE GROUP CONSISTING OF MINERAL OILS AND ORGANOPOLYSILOXANE OILS AND (2) FROM 1 TO 10% BY WEIGHT BASED ON (1) OF A TIN-CARBONSILICON-CONTAINING COMPOUND OF THE FORMULA:
References Cited (Backward Citations)
No citation records indexed.
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1963-05-24 | 1963-11-23 | 1964-05-24 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1967-05-24 | 1967-11-23 | 1968-05-24 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1971-05-24 | 1971-11-23 | 1972-05-24 | $7700.00 | Window Closed / Lapsed |