US2576032A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Lubricating grease
Assignee: Standard Oil Development Co
•
Filing: 1949-05-05
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Granted: 1951-11-20
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Expires: 1969-05-05
Abstract
No abstract record available.
Inventors
- 👤 Arnold J Morway
- 👤 David W Young
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-09 05:11
CPC Classifications
C; C10; C10M; C10M5/00; C10M2207/00; C10M2207/10; C10M2207/12; C10M2207/125; C10M2207/129; C10M2207/14; C10M2207/141; C10M2207/24; C10M2207/28; C10M2207/282; C10M2207/34; C10M2209/00; C10M2209/10; C10M2209/103; C10M2211/00; C10M2211/04; C10M2211/044; C10N; C10N2010/00; C10N2010/02; C10N2010/04; C10N2050/00; C10N2050/10
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
67 words
A LUBRICATING GREASE COMPOSITION CONSISTING ESSENTIALLY OF 65 TO 95% BY WEIGHT OF MINERAL BASE LUBRICATING OIL, 1 TO 10% OF AN ALKALI METAL SALT OF A CYCLOALKANOIC ACID HAVING 3 TO 6 CARBON ATOMS IN THE RING AND HAVING A MOLECULAR WEIGHT NOT GREATER THAN 160, AND 4 TO 25% OF THE SAME ALKALI METAL SOAP OF FATTY ACID HAVING BETWEEN 12 AND 24 CARBON ATOMS.
Claim 2
Dependent Claim
67 words
A LUBRICATING GREASE COMPOSITION CONSISTING ESSENTIALLY OF 65 TO 95% BY WEIGHT OF MINERAL BASE LUBRICATING OIL, 1 TO 10% OF AN ALKALI METAL SALT OF A CYCLOALKANOIC ACID HAVING 3 TO 6 CARBON ATOMS IN THE RING AND HAVING A MOLECULAR WEIGHT NOT GREATER THAN 160, AND 4 TO 25% OF THE SAME ALKALI METAL SOAP OF FATTY ACID HAVING BETWEEN 12 AND 24 CARBON ATOMS.
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) | 1954-11-19 | 1955-05-21 | 1955-11-20 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1958-11-19 | 1959-05-21 | 1959-11-20 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1962-11-19 | 1963-05-21 | 1963-11-20 | $7700.00 | Window Closed / Lapsed |