US2933422A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Product and method for coating metals with copper-tellurium compound
Assignee: Individual
•
Filing: 1957-05-31
•
Granted: 1960-04-19
•
Expires: 1977-05-31
Abstract
No abstract record available.
Inventors
- 👤 Walter A Mason
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-28 05:23
CPC Classifications
C; C23; C23C; C23C22/00; C23C22/05; C23C22/06; C23C22/40
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
131 words
A COPPER-TELLURATE SOLUTION FOR COLORING AND COATIANG METALLIC SURFACES CONSISTING ESSENTIALLY OF A WATER SOLUBLE INORGANIC CUPRIC SALT, TELLURIUM IS SOLUTION AS AN ELEMENT IN THE CLASS OF MATERIALS CONSISTING OF AN OXYGEN ACID THEREOF AND A GENERALLY WATER SOLUBLE SALT THEREOF AND A SALT THEREOF GENERALLY SOLUBLE IN AN ACIDIC WATER SOLUTION, A WATER SOLUBLE ACCLERATOR COMPATIBLE WITH THE OTHER ELEMENTS OF SOLUTION TO MAINTAIN SOLUTION CONSISTING OF A COMPLEX SALT IN WHICH THE ANION IS OF THE CLASS CONSISTING OF MOEYBADATES, VANDATES, CHROMATES AND MANGANATES, AND AN AQUEOUS ACIDIC SOLVENT, A ONE-GALLON SOLUTION COMPRISING ABOUT 3 TO 10 ONCES BY WEIGHT OF THE TELLURIUM MATERIAL, 3 TO 10 ONCES BY WEIGHT OF THE CUPRIC SALT AND AT LEAST ABOUT 1 I/2 TO 4 OUNCES BY WEIGHT OF THE ACCLERATOR.
Claim 2
Dependent Claim
131 words
A COPPER-TELLURATE SOLUTION FOR COLORING AND COATIANG METALLIC SURFACES CONSISTING ESSENTIALLY OF A WATER SOLUBLE INORGANIC CUPRIC SALT, TELLURIUM IS SOLUTION AS AN ELEMENT IN THE CLASS OF MATERIALS CONSISTING OF AN OXYGEN ACID THEREOF AND A GENERALLY WATER SOLUBLE SALT THEREOF AND A SALT THEREOF GENERALLY SOLUBLE IN AN ACIDIC WATER SOLUTION, A WATER SOLUBLE ACCLERATOR COMPATIBLE WITH THE OTHER ELEMENTS OF SOLUTION TO MAINTAIN SOLUTION CONSISTING OF A COMPLEX SALT IN WHICH THE ANION IS OF THE CLASS CONSISTING OF MOEYBADATES, VANDATES, CHROMATES AND MANGANATES, AND AN AQUEOUS ACIDIC SOLVENT, A ONE-GALLON SOLUTION COMPRISING ABOUT 3 TO 10 ONCES BY WEIGHT OF THE TELLURIUM MATERIAL, 3 TO 10 ONCES BY WEIGHT OF THE CUPRIC SALT AND AT LEAST ABOUT 1 I/2 TO 4 OUNCES BY WEIGHT OF THE ACCLERATOR.
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USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1963-04-19 | 1963-10-19 | 1964-04-19 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1967-04-19 | 1967-10-19 | 1968-04-19 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1971-04-19 | 1971-10-19 | 1972-04-19 | $7700.00 | Window Closed / Lapsed |