US2754268A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Lubricating grease containing a metal salt of algin
Assignee: ExxonMobil Technology and Engineering Co
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Filing: 1953-07-15
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Granted: 1956-07-10
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Expires: 1973-07-15
Abstract
No abstract record available.
Inventors
- 👤 Arnold J Morway
- 👤 Jeffrey H Bartlett
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-08 20:28
CPC Classifications
C; C10; C10M; C10M5/00; C10M2205/00; C10M2207/00; C10M2207/04; C10M2207/046; C10M2207/10; C10M2207/12; C10M2207/121; C10M2207/122; C10M2207/123; C10M2207/124; C10M2207/125; C10M2207/129; C10M2207/22; C10M2207/28; C10M2207/282; C10M2207/30; C10M2207/34; C10M2209/00; C10M2209/02; C10M2209/10; C10M2215/00; C10M2215/02; C10M2215/06; C10M2215/064; C10M2215/065; C10N; C10N2010/00; C10N2010/02; C10N2010/04; C10N2010/06; C10N2050/00; C10N2050/10
Claims Analysis
Total Claims: 1
Claim 1
Independent Claim
65 words
A LUBRICATING GREASE COMPRISING A MAJOR PROPORTION OF A LUBRICATING OIL AND ABOUT 2-40 WT. PERCENT OF A CARBOXYLIC ACID METAL SALT COMPLEX GREASE THICKENER CONTAINING AT LEAST 10 WT. PERCENT OF A METAL SALT OF ALGINIC ACID AND A METAL SALT OF A LOW MOLECULAR WEIGHT CARBOXYLIC ACID, SAID METAL BEING SELECTED FROM THE GROUP CONSISTING OF ALKALI METALS, ALKALINE EARTH METALS AND ALUMINUM.
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) | 1959-07-10 | 1960-01-09 | 1960-07-10 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1963-07-10 | 1964-01-09 | 1964-07-10 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1967-07-10 | 1968-01-09 | 1968-07-10 | $7700.00 | Window Closed / Lapsed |