Patent US2565403A successfully refreshed from Google Patents.
US2565403A
Expired / Lapsed
US
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Textile oils
Assignee: Standard Oil Development Co
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Filing: 1948-04-27
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Granted: 1951-08-21
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Expires: 1968-04-27
Abstract
No abstract record available.
Inventors
- 👤 Lorne W Sproule
- 👤 Thomas W Dixon
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-24 17:53
CPC Classifications
D; D06; D06M; D06M7/00; D06M2200/00; D06M2200/40
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
57 words
A TEXTILE OIL COMPOSITION CONSISTING ESSENTIALLY 76 TO 94.4% BY WEIGHT OF A MINERAL BASE OIL OF 50 TO 200 S. S. U. VISCOSITY AT 100* F., 5 TO 2/% OF SODIUM SULFONATE HAVING A MOLECULAR WEIGHT BETWEEN 380 AND 480, 0.5 TO 2.5% OF POLYOXYALKYLENE DERIVATE OF SORBITAN MONO-OLEATE, AND 0.1 TO 1.5% OF SORBITAN MONO-OLEATE.
Claim 2
Dependent Claim
57 words
A TEXTILE OIL COMPOSITION CONSISTING ESSENTIALLY 76 TO 94.4% BY WEIGHT OF A MINERAL BASE OIL OF 50 TO 200 S. S. U. VISCOSITY AT 100* F., 5 TO 2/% OF SODIUM SULFONATE HAVING A MOLECULAR WEIGHT BETWEEN 380 AND 480, 0.5 TO 2.5% OF POLYOXYALKYLENE DERIVATE OF SORBITAN MONO-OLEATE, AND 0.1 TO 1.5% OF SORBITAN MONO-OLEATE.
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) | 1954-08-20 | 1955-02-19 | 1955-08-21 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1958-08-20 | 1959-02-19 | 1959-08-21 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1962-08-20 | 1963-02-19 | 1963-08-21 | $7700.00 | Window Closed / Lapsed |