US3296105A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Zinc cyanide electroplating bath and process
Assignee: EIDP Inc
•
Filing: 1964-04-03
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Granted: 1967-01-03
•
Expires: 1984-04-03
Abstract
No abstract record available.
Inventors
- 👤 John D Rushmere
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-30 00:02
CPC Classifications
C; C25; C25D; C25D3/00; C25D3/02; C25D3/22; C25D3/24
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
60 words
AN AQUEOUS CYANIDE ZINC ELECTROPLATING BATH CONTAINING AS A BRIGHTENING AGENT THEREFOR AN ORGANIC AMINE OXIDE HAVING A $N-->O GROUP, SAID AMINE OXIDE AND THE REDUCTION PRODUCT THEREOF OBTAINED BY REMOVAL OF THE OXYGEN FROM SAID $N-->O GROUP BEING SOLUBLE IN SAID BATH, SAID AMINE OXIDE BEING PRESENT IN A SUFFICIENT AMOUNT TO YIELD A ZINC ELECTRODEPOSIT OF IMPROVED BRIGHTNESS.
Claim 2
Dependent Claim
60 words
AN AQUEOUS CYANIDE ZINC ELECTROPLATING BATH CONTAINING AS A BRIGHTENING AGENT THEREFOR AN ORGANIC AMINE OXIDE HAVING A $N-->O GROUP, SAID AMINE OXIDE AND THE REDUCTION PRODUCT THEREOF OBTAINED BY REMOVAL OF THE OXYGEN FROM SAID $N-->O GROUP BEING SOLUBLE IN SAID BATH, SAID AMINE OXIDE BEING PRESENT IN A SUFFICIENT AMOUNT TO YIELD A ZINC ELECTRODEPOSIT OF IMPROVED BRIGHTNESS.
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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) | 1970-01-02 | 1970-07-04 | 1971-01-03 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1974-01-02 | 1974-07-04 | 1975-01-03 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1978-01-02 | 1978-07-04 | 1979-01-03 | $7700.00 | Window Closed / Lapsed |