US3303111A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Electro-electroless plating method
Assignee: Individual
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Filing: 1963-08-12
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Granted: 1967-02-07
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Expires: 1983-08-12
Abstract
No abstract record available.
Inventors
- 👤 Arthur L Peach
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-28 17:11
CPC Classifications
C; C23; C23C; C23C18/00; C23C18/16; C23C18/31; C23C18/32; C23C18/34; C23C18/36; C23C18/1601; C23C18/1633; C23C18/1655; C23C18/1664; C23C18/1671; C25; C25D; C25D3/00; C25D3/02; C25D3/12; C25D5/00; C25D5/18; C25D5/60; C25D5/615; C25D5/617; C25D5/623; C25D5/627
Claims Analysis
Total Claims: 1
Claim 1
Independent Claim
90 words
A PROCESS OF DEPOSITING A COATING ON A METAL SURFACE WHICH COMPRISES IMMERSING SAID SURFACE AS A CATHODE IN AN ELECTROLYTE CONSISTING OF AN AQUEOUS SOLUTION OF AT LEAST ONE METAL SALT FROM THE CLASS CONSISTING OF NICKEL SULPHATE, COBALT SULPHATE, NICKEL CHLORIDE AND COBALT CHLORIDE, SODIUM CITRATE, AND SODIUM HYPOPHOSPHITE, SAID METAL SALT, CITRATE AND HYPOPHOSPHITE BEING IN THE APPROXIMATE PROPORTION OF 2:2:1 BY WEIGHT, IMMERSING AN ANODE IN SAID ELECTROLYTE, AND PASSING A CURRENT OF FROM 0.7 TO 3.0 AMPERES PER SQUARE FOOT THROUGH SAID ELECTROLYTE AND ELECTRODES.
References Cited (Backward Citations)
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1970-02-06 | 1970-08-08 | 1971-02-07 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1974-02-06 | 1974-08-08 | 1975-02-07 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1978-02-06 | 1978-08-08 | 1979-02-07 | $7700.00 | Window Closed / Lapsed |