Patent US2864719A successfully refreshed from Google Patents.
US2864719A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Stabilized copper bronze powders and method
Assignee: Sherwin Williams Co
•
Filing: 1956-06-18
•
Granted: 1958-12-16
•
Expires: 1976-06-18
Abstract
No abstract record available.
Inventors
- 👤 Victor M Willis
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-30 21:25
CPC Classifications
C; C09; C09C; C09C1/00; C09C1/66; C01; C01P; C01P2004/00; C01P2004/20
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
70 words
A COPPER-CONTAINING BRONZE POWDER OF IMPROVED STABILITY CHARACTERISTICS WHICH COMPRISES A MAJOR QUANTITY OF A COPPER CONTAINING BRONZE POWDER AND IN INTIMATE CONTACT THEREWITH AT LEAST 0.5% BUT NOT MORE THAN ABOUT 5% BY WEIGHT OF SAID METAL POWDER OF AN ORGANIC COMPOUND SELECTED FROM THE GROUP CONSISTING OF WATER INSOLUBLE LONG CHAIN ALIPHATIC AND ALICYCLIC HYDROCARBON ACIDS CONTAINING FROM 8 TO ABOUT 32 CARBON ATOMS AND A WATERINSOLUBLE ROSINAMINE.
Claim 2
Dependent Claim
70 words
A COPPER-CONTAINING BRONZE POWDER OF IMPROVED STABILITY CHARACTERISTICS WHICH COMPRISES A MAJOR QUANTITY OF A COPPER CONTAINING BRONZE POWDER AND IN INTIMATE CONTACT THEREWITH AT LEAST 0.5% BUT NOT MORE THAN ABOUT 5% BY WEIGHT OF SAID METAL POWDER OF AN ORGANIC COMPOUND SELECTED FROM THE GROUP CONSISTING OF WATER INSOLUBLE LONG CHAIN ALIPHATIC AND ALICYCLIC HYDROCARBON ACIDS CONTAINING FROM 8 TO ABOUT 32 CARBON ATOMS AND A WATERINSOLUBLE ROSINAMINE.
References Cited (Backward Citations)
CH180062A
Cited
US2178181A
Cited
US2445374A
Cited
US2561892A
Cited
US2525280A
Cited
US2709160A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1961-12-15 | 1962-06-16 | 1962-12-16 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1965-12-15 | 1966-06-16 | 1966-12-16 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1969-12-15 | 1970-06-16 | 1970-12-16 | $7700.00 | Window Closed / Lapsed |