US2556173A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Cleaning fluid for desludging internal-combustion engines
Assignee: NEIL MCEWEN SR
•
Filing: 1947-06-26
•
Granted: 1951-06-12
•
Expires: 1967-06-26
Abstract
No abstract record available.
Inventors
- 👤 William J Ebel
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-05 13:43
CPC Classifications
C; C11; C11D; C11D9/00; C11D9/04; C11D9/22; C11D9/26; C10; C10L; C10L10/00; C10L10/06; C11D17/00; C11D17/08; C11D9/28
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
78 words
A CLEANING FLUID FOR DESLUDGING INTERNAL COMBUSTION ENGINES WHILE OPERATING, CONSISTING ESSENTIALLY OF A MIXTURE OF ABOUT 15 TO 18 PARTS BY WEIGHT OF GREEN SOAP OF A SEMI-SOLID CONSISTENCY COMPOSED OF A POTASH SAPONIFIED VEGETABLE OIL OF THE GROUP CONSISTING OF LINESEED OIL AND SOY BEAN OIL, ABOUT 20 TO 24 PARTS BY WEIGHT OF ISOPROPYL ALCOHOL, ABOUT 27 TO 32 PARTS BY WEIGHT OF ETHYLENE DICHLORIDE, AND ABOUT 24 TO 30 PARTS BY WEIGHT OF CRESCOL.
Claim 2
Dependent Claim
78 words
A CLEANING FLUID FOR DESLUDGING INTERNAL COMBUSTION ENGINES WHILE OPERATING, CONSISTING ESSENTIALLY OF A MIXTURE OF ABOUT 15 TO 18 PARTS BY WEIGHT OF GREEN SOAP OF A SEMI-SOLID CONSISTENCY COMPOSED OF A POTASH SAPONIFIED VEGETABLE OIL OF THE GROUP CONSISTING OF LINESEED OIL AND SOY BEAN OIL, ABOUT 20 TO 24 PARTS BY WEIGHT OF ISOPROPYL ALCOHOL, ABOUT 27 TO 32 PARTS BY WEIGHT OF ETHYLENE DICHLORIDE, AND ABOUT 24 TO 30 PARTS BY WEIGHT OF CRESCOL.
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) | 1954-06-11 | 1954-12-11 | 1955-06-12 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1958-06-11 | 1958-12-11 | 1959-06-12 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1962-06-11 | 1962-12-11 | 1963-06-12 | $7700.00 | Window Closed / Lapsed |