US3783111A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Gold plating bath for barrel plating operations
Assignee: Auric Corp
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Filing: 1972-09-11
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Granted: 1974-01-01
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Expires: 1992-09-11
Abstract
Abstract AN ELECTROPLATING BATH PARTICUARLY SUITED FOR BARREL PLATING OPERATIONS. THE BATH INCLUDES IN ADDITION TO AN ALKALI-GOLD CYANIDE, A SOLUBLE SALT OF ONE OR MORE CHELATING AMINOPOLYCARBOXYLIC ACIDS, WITH QUANTITIES OF HYDRAZINC, AND SMALL AMOUNTS OF ARSENIC AND/OR LEAD ION.
Inventors
- 👤 M Bick
- 👤 J Lochet
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-30 02:47
CPC Classifications
C; C25; C25D; C25D3/00; C25D3/02; C25D3/48
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
No citation records indexed.
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1976-12-31 | 1977-07-02 | 1978-01-01 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1980-12-31 | 1981-07-02 | 1982-01-01 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1984-12-31 | 1985-07-02 | 1986-01-01 | $7700.00 | Window Closed / Lapsed |