US2647839A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Water displacing rust preventive compositions and process of coating a base therewith
Assignee: Individual
•
Filing: 1949-09-16
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Granted: 1953-08-04
•
Expires: 1969-09-16
Abstract
No abstract record available.
Inventors
- 👤 William A Zisman
- 👤 Hayward R Baker
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-26 19:39
CPC Classifications
C; C23; C23F; C23F11/00; C23F11/08
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
73 words
A WATER-DISPLACING CORROSION-INHIBITING COMPOSITION CONSISTING ESSENTIALLY OF MORE THAN 90% BY WEIGHT OF AT LEAST ONE ALIPHATIC MONOHYDRIC ALCOHOL HAVING FROM 4 TO 8 CARBON ATOMS AND A STRAIGHT CHAIN OF AT LEAST 3 CARBON ATOMS AND MISCIBLE PROPORTIONS OF FROM 0.1 TO LESS THAN 10% BY WEIGHT OF A POLAR TYPE RUST INHIBITOR WHICH HAS A WATER SOLUBILITY NOT EXCEEDING 3% BY WEIGHT AND IS SUBSTANTIALLY NON-VOLATILE AT TEMPERATURES BELOW 150* C.
Claim 2
Dependent Claim
73 words
A WATER-DISPLACING CORROSION-INHIBITING COMPOSITION CONSISTING ESSENTIALLY OF MORE THAN 90% BY WEIGHT OF AT LEAST ONE ALIPHATIC MONOHYDRIC ALCOHOL HAVING FROM 4 TO 8 CARBON ATOMS AND A STRAIGHT CHAIN OF AT LEAST 3 CARBON ATOMS AND MISCIBLE PROPORTIONS OF FROM 0.1 TO LESS THAN 10% BY WEIGHT OF A POLAR TYPE RUST INHIBITOR WHICH HAS A WATER SOLUBILITY NOT EXCEEDING 3% BY WEIGHT AND IS SUBSTANTIALLY NON-VOLATILE AT TEMPERATURES BELOW 150* C.
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) | 1956-08-03 | 1957-02-02 | 1957-08-04 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1960-08-03 | 1961-02-02 | 1961-08-04 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1964-08-03 | 1965-02-02 | 1965-08-04 | $7700.00 | Window Closed / Lapsed |