US2583436A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Heavy-duty lubricating grease
Assignee: Standard Oil Development Co
•
Filing: 1949-12-01
•
Granted: 1952-01-22
•
Expires: 1969-12-01
Abstract
No abstract record available.
Inventors
- 👤 Arnold J Morway
- 👤 Earl W Ball
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-27 11:44
CPC Classifications
C; C10; C10M; C10M5/00; C10M2203/00; C10M2207/00; C10M2207/10; C10M2207/12; C10M2207/125; C10M2207/129; C10M2207/28; C10M2207/287; C10M2211/00; C10M2211/02; C10M2219/00; C10M2219/02; C10M2219/024; C10M2219/04; C10M2219/044; C10N; C10N2010/00; C10N2010/02; C10N2010/04; C10N2010/08; C10N2040/00; C10N2040/02; C10N2050/00; C10N2050/10; C10N2060/00; C10N2060/04
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
82 words
A LUBRICATING GREASE COMPOSITION CONSISTING ESSENTIALLY OF ABOUT 30 TO 40% BY WEIGHT OF ASPHALTIC RESIDUUM, OF BETWEEN 1000 AND 5000 S. S. U. VISCOSITY AT 100* F., ABOUT 10% OF LEAD SOAP AS AN EXTREME PRESSURE ADDITIVE, ABOUT 8 TO 18% SODIUM SOAP OF RAPESEED OIL, ABOUT 0.05 TO 1% OF AN OIL SOLUBLE PETROLEUM SULFONATE AS A RUST INHIBITOR, THE REMAINDER OF THE COMPOSITION BEING MINERAL BASE LUBRICATING OIL OF 35 TO 300 S. S. U. VISCOSITY AT 210* F.
Claim 2
Dependent Claim
82 words
A LUBRICATING GREASE COMPOSITION CONSISTING ESSENTIALLY OF ABOUT 30 TO 40% BY WEIGHT OF ASPHALTIC RESIDUUM, OF BETWEEN 1000 AND 5000 S. S. U. VISCOSITY AT 100* F., ABOUT 10% OF LEAD SOAP AS AN EXTREME PRESSURE ADDITIVE, ABOUT 8 TO 18% SODIUM SOAP OF RAPESEED OIL, ABOUT 0.05 TO 1% OF AN OIL SOLUBLE PETROLEUM SULFONATE AS A RUST INHIBITOR, THE REMAINDER OF THE COMPOSITION BEING MINERAL BASE LUBRICATING OIL OF 35 TO 300 S. S. U. VISCOSITY AT 210* F.
References Cited (Backward Citations)
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USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1955-01-21 | 1955-07-23 | 1956-01-22 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1959-01-21 | 1959-07-23 | 1960-01-22 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1963-01-21 | 1963-07-23 | 1964-01-22 | $7700.00 | Window Closed / Lapsed |