Patent US2990367A successfully refreshed from Google Patents.
US2990367A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Clay-bodied lubricant containing a silicate ester
Assignee: Philipp Corp
•
Filing: 1954-06-21
•
Granted: 1961-06-27
•
Expires: 1974-06-21
Abstract
No abstract record available.
Inventors
- 👤 Jr Edgar W Sawyer
- 👤 Jr Walter Linwood Haden
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-26 06:07
CPC Classifications
C; C10; C10M; C10M5/00; C10M2201/00; C10M2201/10; C10M2201/102; C10M2201/103; C10M2201/14; C10M2207/00; C10M2207/10; C10M2207/12; C10M2207/125; C10M2207/129; C10M2207/28; C10M2207/282; C10M2207/34; C10M2209/00; C10M2209/10; C10M2209/103; C10M2215/00; C10M2215/02; C10M2215/04; C10M2215/042; C10M2215/044; C10M2215/22; C10M2215/221; C10M2215/225; C10M2215/226; C10M2215/24; C10M2215/26; C10M2215/30; C10M2223/00; C10M2223/02; C10M2223/04; C10M2223/043; C10M2227/00; C10M2227/02; C10M2229/00; C10M2229/02; C10M2229/04; C10M2229/05; C10N; C10N2010/00; C10N2010/02; C10N2010/04; C10N2010/06; C10N2050/00; C10N2050/10
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
62 words
A BODIED LUBRICANT COMPRISING A BUBRICATING FLUID THE CONSISTENCY OF WHICH HAS BEEN INCREASED BY A COLLOIDAL DISPERSION OF LYOPHILIC CLAY, AND A SILICATE ESTER IN AN AMOUNT SUFFICIENT TO REDUCE UNDESIREABLE DEGELLING OF THE BODIED LUBRICANT ON CONTACT WITH SOAP GREASE, SAID SILICATE ESTER BEING SELECTED FROM THE GROUP CONSISTING OF ESTERS OF LOWER ALKYL AND ARYL SILICATES AND THEIR POLYMERS.
Claim 2
Dependent Claim
62 words
A BODIED LUBRICANT COMPRISING A BUBRICATING FLUID THE CONSISTENCY OF WHICH HAS BEEN INCREASED BY A COLLOIDAL DISPERSION OF LYOPHILIC CLAY, AND A SILICATE ESTER IN AN AMOUNT SUFFICIENT TO REDUCE UNDESIREABLE DEGELLING OF THE BODIED LUBRICANT ON CONTACT WITH SOAP GREASE, SAID SILICATE ESTER BEING SELECTED FROM THE GROUP CONSISTING OF ESTERS OF LOWER ALKYL AND ARYL SILICATES AND THEIR POLYMERS.
References Cited (Backward Citations)
US2735816A
Cited
US2531440A
Cited
US2662056A
Cited
US2681313A
Cited
US2643263A
Cited
US2623853A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1964-06-26 | 1964-12-26 | 1965-06-27 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1968-06-26 | 1968-12-26 | 1969-06-27 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1972-06-26 | 1972-12-26 | 1973-06-27 | $7700.00 | Window Closed / Lapsed |