US3138558A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Water displacing rust preventive composition
Assignee: Individual
•
Filing: 1962-06-26
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Granted: 1964-06-23
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Expires: 1982-06-26
Abstract
No abstract record available.
Inventors
- 👤 Hayward R Baker
- 👤 Curtis R Singleterry
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-29 20:49
CPC Classifications
C; C23; C23F; C23F11/00; C23F11/08; C23F11/10
Claims Analysis
Total Claims: 1
Claim 1
Independent Claim
85 words
A METHOD OF DISPLACING WATER FROM AND INHIBITING RUSTING OF A WATER-WET METAL SURFACE WHICH COMPRISES APPLYING TO SAID WET SURFACE AN AQUEOUS SOLUTION OF FROM ABOUT 5 TO 25% BY WEIGHT OF AT LEAST ONE ALIPHATIC KETONE HAVING FROM 5 TO 9 CARBON ATOMS, FROM ABOUT 25 TO 50% BY WEIGHT OF ISOPROPYL ALCOHOL AND FROM ABOUT 0.5 TO 5% BY WEIGHT OF BASIC BARIUM DINONYLNAPHTHALENE SULFONATE IN AN AMOUNT OF WATER WHICH IS FROM ABOUT 40 TO 60% BY WEIGHT OF THE COMPOSITION.
References Cited (Backward Citations)
US2796353A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1967-06-23 | 1967-12-23 | 1968-06-23 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1971-06-23 | 1971-12-23 | 1972-06-23 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1975-06-23 | 1975-12-23 | 1976-06-23 | $7700.00 | Window Closed / Lapsed |