Patent US2962427A successfully refreshed from Google Patents.
US2962427A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Electroplating process and apparatus
Assignee: CBS Broadcasting Inc
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Filing: 1957-06-28
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Granted: 1960-11-29
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Expires: 1977-06-28
Abstract
No abstract record available.
Inventors
- 👤 Leo K Kosowsky
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-30 10:40
CPC Classifications
C; C25; C25D; C25D5/00; C25D5/34; C25D5/36
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
53 words
AN ELECTROPLATING PROCESS COMPRISING ETCHING A STAINLESS STEEL ARTICLE IN A SULFURIC ACID ETCH SOLUTION IN AN ELECTROPLATING TANK WHILE THE ARTICLE IS A CATHODE, UPWARDLY DISPLACING THE SULFURIC ACID ETCH SOLUTION FROM SAID TANK BY FLOWING INTO SAID TANK A STRIKE SOLUTION CONTAINING COPPER IONS AND HAVING A SPECIFIC GRAVITY GREATER THAN
Claim 2
Dependent Claim
53 words
AN ELECTROPLATING PROCESS COMPRISING ETCHING A STAINLESS STEEL ARTICLE IN A SULFURIC ACID ETCH SOLUTION IN AN ELECTROPLATING TANK WHILE THE ARTICLE IS A CATHODE, UPWARDLY DISPLACING THE SULFURIC ACID ETCH SOLUTION FROM SAID TANK BY FLOWING INTO SAID TANK A STRIKE SOLUTION CONTAINING COPPER IONS AND HAVING A SPECIFIC GRAVITY GREATER THAN
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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) | 1963-11-29 | 1964-05-30 | 1964-11-29 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1967-11-29 | 1968-05-30 | 1968-11-29 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1971-11-29 | 1972-05-30 | 1972-11-29 | $7700.00 | Window Closed / Lapsed |