US3113035A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Metal plating procedure
Assignee: International Business Machines Corp
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Filing: 1960-05-26
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Granted: 1963-12-03
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Expires: 1980-05-26
Abstract
No abstract record available.
Inventors
- 👤 Henry E Maccormack
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-01 17:53
CPC Classifications
G; G11; G11B; G11B5/00; G11B5/84; G11B5/858; C; C23; C23C; C23C18/00; C23C18/16; C23C18/18; C23C18/1803; C23C18/1824; C23C18/1837; C23C18/1844; C23C18/1848; C23C18/31; C23C18/32; C23C18/34; C23C18/36; C23G; C23G1/00; C25; C25D; C25D5/00; C25D5/34; H; H01; H01F; H01F10/00; H01F10/26; H01F10/28; Y; Y10; Y10S; Y10S428/00; Y10S428/922; Y10S428/9265; Y10S428/928; Y10S428/9335; Y10S428/936; Y10T; Y10T428/00; Y10T428/12; Y10T428/12493; Y10T428/12771; Y10T428/12861; Y10T428/12937
Claims Analysis
Total Claims: 1
Claim 1
Independent Claim
118 words
A PROCESS FOR THE PLATING OF A SPECULAR FINISH UPON AN ALUMINUM SURFACE COMPRISING: CONTACTING SAID SURFACE WITH A LOWER POLYHALO ALKANE SELECTED FROM THE GROUP CONSISTING OF TRICHLOROETHYLENE AND PERCHLOROETHYLENE FOR A PERIOD OF ABOUT 14 TO ABOUT 18 HOURS; CONTACTING SAID SURFACE WITH AN ALKALI SOLUTION AT A PH OF ABOUT 8 FOR ONE HOUR AT ABOUT 70*C.; CONTACTING THE SURFACE WITH AN INHIBITED ACID BATH FOR A FEW MINUTES; CONTACTING SAID SURFACE WITH A RINSE WATER; AND IMMERSING SAID SURFACE IN AN ELECTROLESS PLATING BATH, SAID BATH BEING ADAPTED TO PLATE A COMPOSITION OF ABOUT 93% NICKEL AND 7% PHOSPHORUS AT ABOUT 19 TO 21 MICRONS PER HOUR, UNTIL A DESIRED PLATE THICKNESS IS OBTAINED.
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) | 1966-12-02 | 1967-06-03 | 1967-12-03 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1970-12-02 | 1971-06-03 | 1971-12-03 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1974-12-02 | 1975-06-03 | 1975-12-03 | $7700.00 | Window Closed / Lapsed |