US2638446A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Lubricant for pneumatic tools and the like
Assignee: Standard Oil Development Co
•
Filing: 1950-05-19
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Granted: 1953-05-12
•
Expires: 1970-05-19
Abstract
No abstract record available.
Inventors
- 👤 Jones I Wasson
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-29 19:17
CPC Classifications
C; C10; C10M; C10M1/00; C10M1/08; C10M2205/00; C10M2205/02; C10M2205/026; C10M2205/04; C10M2205/18; C10M2205/20; C10M2207/00; C10M2207/40; C10M2207/404; C10M2219/00; C10M2219/02; C10M2219/024; C10M2219/04; C10M2219/044; C10M2223/00; C10M2223/02; C10M2223/04; C10M2223/041; C10M2223/042; C10N; C10N2010/00; C10N2010/02; C10N2010/04; C10N2040/00; C10N2040/08; C10N2040/30; C10N2040/32; C10N2040/34; C10N2040/36; C10N2040/38; C10N2040/40; C10N2040/42; C10N2040/44; C10N2040/50
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
85 words
A LUBRICANT FOR PNEUMATIC TOOLS, AND THE LIKE, CONSISTING ESSENTIALLY OF ABOUT 86 TO 97 PARTS BY WEIGHT OF MINERAL BASE LUBRICATING OIL HAVING A VISCOSITY BETWEEN 50 AND 500 S. S. U. AT 100* F., 1 TO 3 PARTS OF DEGRAS, 0.1 TO 2 PARTS OF OIL-SOLUBLE CALCIUM PETROLEUM SULFONATE, 1 TO 5 PARTS OF SULFURIZED SPERM OIL CONTAINING 10 TO 20% OF SULFUR, 0.5 TO 2 PARTS OFTRICRESYL PHOSPHATE AND 0.5 TO 2 PARTS OF POLYBUTENE OF MOLECULAR WEIGHT BETWEEN 10,000 AND 50,000.
Claim 2
Dependent Claim
85 words
A LUBRICANT FOR PNEUMATIC TOOLS, AND THE LIKE, CONSISTING ESSENTIALLY OF ABOUT 86 TO 97 PARTS BY WEIGHT OF MINERAL BASE LUBRICATING OIL HAVING A VISCOSITY BETWEEN 50 AND 500 S. S. U. AT 100* F., 1 TO 3 PARTS OF DEGRAS, 0.1 TO 2 PARTS OF OIL-SOLUBLE CALCIUM PETROLEUM SULFONATE, 1 TO 5 PARTS OF SULFURIZED SPERM OIL CONTAINING 10 TO 20% OF SULFUR, 0.5 TO 2 PARTS OFTRICRESYL PHOSPHATE AND 0.5 TO 2 PARTS OF POLYBUTENE OF MOLECULAR WEIGHT BETWEEN 10,000 AND 50,000.
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) | 1956-05-11 | 1956-11-10 | 1957-05-12 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1960-05-11 | 1960-11-10 | 1961-05-12 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1964-05-11 | 1964-11-10 | 1965-05-12 | $7700.00 | Window Closed / Lapsed |