Patent US3268424A successfully refreshed from Google Patents.
US3268424A
Expired / Lapsed
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Method of depositing a corrosion resistant composite nickel electroplate
Assignee: Udylite Corp
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Filing: 1963-08-16
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Granted: 1966-08-23
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Expires: 1983-08-16
Abstract
No abstract record available.
Inventors
- 👤 Brown Henry
- 👤 Thaddeus W Tomaszewski
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-26 21:04
CPC Classifications
C; C25; C25D; C25D15/00; C25D15/02; Y; Y10; Y10S; Y10S428/00; Y10S428/922; Y10S428/923; Y10S428/924; Y10S428/926; Y10S428/9265; Y10S428/927; Y10S428/9335; Y10S428/934; Y10S428/935; Y10T; Y10T428/00; Y10T428/12; Y10T428/12014; Y10T428/12028; Y10T428/12063; Y10T428/12069; Y10T428/12076; Y10T428/12083; Y10T428/12139; Y10T428/12181; Y10T428/12493; Y10T428/12639; Y10T428/12646; Y10T428/1266; Y10T428/12667; Y10T428/12771; Y10T428/12778; Y10T428/12806; Y10T428/12826; Y10T428/12847; Y10T428/12854; Y10T428/12861; Y10T428/12944
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
152 words
A METHOD FOR OBTAINING IMPROVED CORROSION RESISTANT COMPOSITE DECORATIVE NICKEL-CHROMIUM PLATE WHICH COMPRISES THE STEP OF ELECTROLYZING AND AQUEOUS ACIDIC NICKEL ELECTROPLATING BATH CONTAINING AT LEAST ONE ORGANIC NICKEL BRIGHTENER CAPABLE OF PRODUCING FINE-GRAINED SEMIBRIGHT TO FULLY BRIGHT NICKEL PLATE AND HAVING DISPERSED THEREIN ABOUT 0.5 TO ABOUT 300 GRAMS/LITER OF AT LEAST ONE BATH INSOLUBLE COMPOUND OF A METAL HAVING AN INCOMPLETE INNER ELECTRON SHELL THEREBY FORM A FINE-GRAINED NICKEL PLATE, SAID MATERIAL IN SAID BATH BEING IN THE FORM OF A FINE DISPERSION, THE MAJOR PORTION OF WHICH HAS AN AVERAGE PARTICLE SIZE WHICH IS LESS THAN ABOUT 5 MICRONS AND THEREAFTER ELECTROPLATING ON SAID NICKEL PLATE CONTAINING SAID BATH-INSOLUBLE PARTICLES AN OVERLAYER OF A METAL SELECTED FROM THE GROUP CONSISTING OF CHROMIUM, RHODIUM, SILVER, TIN, BRASS, BRONZE, COPPER, GOLD AND AN ALLOY CONSISTING OF 65 TIN AND 35 NICKEL, SAID OVERLAYER HAVING A THICKNESS LESS THAN ABOUT 0.2 MIL.
Claim 2
Independent Claim
152 words
A METHOD FOR OBTAINING IMPROVED CORROSION RESISTANT COMPOSITE DECORATIVE NICKEL-CHROMIUM PLATE WHICH COMPRISES THE STEP OF ELECTROLYZING AND AQUEOUS ACIDIC NICKEL ELECTROPLATING BATH CONTAINING AT LEAST ONE ORGANIC NICKEL BRIGHTENER CAPABLE OF PRODUCING FINE-GRAINED SEMIBRIGHT TO FULLY BRIGHT NICKEL PLATE AND HAVING DISPERSED THEREIN ABOUT 0.5 TO ABOUT 300 GRAMS/LITER OF AT LEAST ONE BATH INSOLUBLE COMPOUND OF A METAL HAVING AN INCOMPLETE INNER ELECTRON SHELL THEREBY FORM A FINE-GRAINED NICKEL PLATE, SAID MATERIAL IN SAID BATH BEING IN THE FORM OF A FINE DISPERSION, THE MAJOR PORTION OF WHICH HAS AN AVERAGE PARTICLE SIZE WHICH IS LESS THAN ABOUT 5 MICRONS AND THEREAFTER ELECTROPLATING ON SAID NICKEL PLATE CONTAINING SAID BATH-INSOLUBLE PARTICLES AN OVERLAYER OF A METAL SELECTED FROM THE GROUP CONSISTING OF CHROMIUM, RHODIUM, SILVER, TIN, BRASS, BRONZE, COPPER, GOLD AND AN ALLOY CONSISTING OF 65 TIN AND 35 NICKEL, SAID OVERLAYER HAVING A THICKNESS LESS THAN ABOUT 0.2 MIL.
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) | 1969-08-22 | 1970-02-21 | 1970-08-23 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1973-08-22 | 1974-02-21 | 1974-08-23 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1977-08-22 | 1978-02-21 | 1978-08-23 | $7700.00 | Window Closed / Lapsed |