US2773022A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Electrodeposition from copper electrolytes containing dithiocarbamate addition agents
Assignee: Westinghouse Electric Corp
•
Filing: 1953-08-17
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Granted: 1956-12-04
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Expires: 1973-08-17
Abstract
No abstract record available.
Inventors
- 👤 Dennis R Turner
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-30 05:48
CPC Classifications
C; C25; C25D; C25D3/00; C25D3/02; C25D3/38
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
44 words
AN AQUEOUS ELECTROPLATING ELECTROLYTE FOR PLATING BRIGHT OR SEMI-BRIGHT COPPER AS THE SOLE METAL TO BE PLATED, THE ELECTROLYTE COMPRISING AN AQUEOUS SOLUTION OF A COPPER SALT HAVING ADMIXED THEREIN FROM .0005 TO 1.0 OUNCE PER GALLON OF A BRIGHTENING AGENT HAVING THE NUCLEUS
Claim 2
Dependent Claim
44 words
AN AQUEOUS ELECTROPLATING ELECTROLYTE FOR PLATING BRIGHT OR SEMI-BRIGHT COPPER AS THE SOLE METAL TO BE PLATED, THE ELECTROLYTE COMPRISING AN AQUEOUS SOLUTION OF A COPPER SALT HAVING ADMIXED THEREIN FROM .0005 TO 1.0 OUNCE PER GALLON OF A BRIGHTENING AGENT HAVING THE NUCLEUS
References Cited (Backward Citations)
US2563360A
Cited
US2730492A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1959-12-04 | 1960-06-04 | 1960-12-04 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1963-12-04 | 1964-06-04 | 1964-12-04 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1967-12-04 | 1968-06-04 | 1968-12-04 | $7700.00 | Window Closed / Lapsed |