US2853443A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Addition agent for acid copper electrolytes
Assignee: Westinghouse Electric Corp
•
Filing: 1956-04-25
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Granted: 1958-09-23
•
Expires: 1976-04-25
Abstract
No abstract record available.
Inventors
- 👤 Jr Robert E Harrover
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-30 08:13
CPC Classifications
C; C25; C25D; C25D3/00; C25D3/02; C25D3/38
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
37 words
AN AQUEOUS ELECTROLYTE PLATING SOLUTION COMPRISING COPPER SULFATE, SULFURIC ACID AND FROM 0.0001 TO 0.5 OUNCE PER GALLON OF THE PRODUCT OBTAINED BY ADMIXING AND HEATING SUBSTANTIALLY EQUIMOLAR QUANTITIES OF AT LEAST ONE COMPOUND HAVING THE NUCLEUS
Claim 2
Dependent Claim
37 words
AN AQUEOUS ELECTROLYTE PLATING SOLUTION COMPRISING COPPER SULFATE, SULFURIC ACID AND FROM 0.0001 TO 0.5 OUNCE PER GALLON OF THE PRODUCT OBTAINED BY ADMIXING AND HEATING SUBSTANTIALLY EQUIMOLAR QUANTITIES OF AT LEAST ONE COMPOUND HAVING THE NUCLEUS
References Cited (Backward Citations)
CA461186A
Cited
US2561689A
Cited
US2475974A
Cited
US2538960A
Cited
US2700019A
Cited
US2742412A
Cited
US2799634A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1961-09-22 | 1962-03-24 | 1962-09-23 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1965-09-22 | 1966-03-24 | 1966-09-23 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1969-09-22 | 1970-03-24 | 1970-09-23 | $7700.00 | Window Closed / Lapsed |