US2908645A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Blended lithium calcium base grease
Assignee: ExxonMobil Technology and Engineering Co
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Filing: 1955-04-28
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Granted: 1959-10-13
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Expires: 1975-04-28
Abstract
No abstract record available.
Inventors
- 👤 Arnold J Morway
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-01 06:42
CPC Classifications
C; C10; C10M; C10M5/00; C10M2203/00; C10M2203/10; C10M2205/00; C10M2207/00; C10M2207/02; C10M2207/021; C10M2207/022; C10M2207/04; C10M2207/10; C10M2207/12; C10M2207/121; C10M2207/122; C10M2207/123; C10M2207/124; C10M2207/125; C10M2207/129; C10M2207/14; C10M2207/141; C10M2207/142; C10M2207/144; C10M2207/146; C10M2207/22; C10M2207/24; C10M2207/28; C10M2207/281; C10M2207/282; C10M2207/283; C10M2207/286; C10M2207/287; C10M2207/30; C10M2207/302; C10M2207/34; C10M2207/40; C10M2207/404; C10M2209/00; C10M2209/10; C10M2209/103; C10M2215/00; C10M2215/02; C10M2215/06; C10M2215/064; C10M2215/065; C10M2219/00; C10M2219/08; C10M2219/082; C10M2219/10; C10M2219/102; C10M2219/104; C10M2219/106; C10M2229/00; C10M2229/02; C10M2229/04; C10M2229/05; C10N; C10N2010/00; C10N2010/02; C10N2010/04; C10N2050/00; C10N2050/10
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
91 words
A BLENDED GREASE COMPOSITION COMPRISING A BLEND OF TWO COMPONENT GREASES, ONE COMPONENT BEING A GREASE THICKENED WITH A CALCIUM MIXED SALT COMPLEX OF LOW AND INTERMEDIATE MOLECULAR WEIGHT MONO-CARBOXYLIC ACIDS, WHEREIN THE MOL RATIO OF LOW TO INTERMEDIATE WEIGHT ACID IS ABOUT 2:1 TO 40:1, THE OTHER COMPONENT BEING A LITHIUM BASE GREASE THICKENED WITH THE LITHIUM SOAP OF A HIGH MOLECULAR WEIGHT FATTY ACID, SAID BLEND CONSISTING ESSENTIALLY OF FROM 40 TO 80% BY WEIGHT OF THE FIRST COMPONENT AND 20 TO 60% BY WEIGHT OF THE SECOND COMPONENT.
Claim 2
Dependent Claim
91 words
A BLENDED GREASE COMPOSITION COMPRISING A BLEND OF TWO COMPONENT GREASES, ONE COMPONENT BEING A GREASE THICKENED WITH A CALCIUM MIXED SALT COMPLEX OF LOW AND INTERMEDIATE MOLECULAR WEIGHT MONO-CARBOXYLIC ACIDS, WHEREIN THE MOL RATIO OF LOW TO INTERMEDIATE WEIGHT ACID IS ABOUT 2:1 TO 40:1, THE OTHER COMPONENT BEING A LITHIUM BASE GREASE THICKENED WITH THE LITHIUM SOAP OF A HIGH MOLECULAR WEIGHT FATTY ACID, SAID BLEND CONSISTING ESSENTIALLY OF FROM 40 TO 80% BY WEIGHT OF THE FIRST COMPONENT AND 20 TO 60% BY WEIGHT OF THE SECOND COMPONENT.
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) | 1962-10-12 | 1963-04-13 | 1963-10-13 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1966-10-12 | 1967-04-13 | 1967-10-13 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1970-10-12 | 1971-04-13 | 1971-10-13 | $7700.00 | Window Closed / Lapsed |