Patent US907609A successfully refreshed from Google Patents.
Patent US3198659A successfully refreshed from Google Patents.
US3198659A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Thin nickel coatings
Assignee: Lockheed Martin Corp
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Filing: 1962-04-09
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Granted: 1965-08-03
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Expires: 1982-04-09
Abstract
No abstract record available.
Inventors
- 👤 Donald J Levy
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-27 15:52
CPC Classifications
C; C23; C23C; C23C18/00; C23C18/16; C23C18/31; C23C18/32; C23C18/34
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
117 words
AN AUTOCATALYTIC CHEMICAL REDUCTION PROCESS FOR CONTINUOUSLY PLATING NICKEL ON OBJECTS HAVING A CATALYTIC METAL SURFACE COMPRISING THE STEPS OF PROVIDING AN AQUEOUS SOLUTION COMRPISED OF FREE NICKEL IONS IN THE AMOUNT OF FROM 10**-10 TO 10**-2 GRAM-IONS PER LITER, AND A REDUCTANT SELECTED FROM THE GROUP CONSISTING OF HYDRAZINE AND HYDRAZINE DERIVATIVES, MAINTIANING SAID SOLUTION AT A TEMPERATURE OF FROM 70* TO 100*C. AND AT A PH OF FROM 6.5 TO 11, IMERSING INTO SID SOLUTION AN OBJECT WITH A CATALYTIC SURFACE WHICH WILL CATALYZE HYDROGENATION-DEHYDROGENATION REACTIONS MAINTAINING SAID OBJECT ILN THE SOLUTION FOR A PREDETERMINED TIME UNTIL A NICKEL LAYER OF A PRESELECTED DEPTH HAS BEEN DEPOSITED AND FINALLY WITHDRAWING THE OBJECT FROM THE SOLUTION.
Claim 2
Dependent Claim
117 words
AN AUTOCATALYTIC CHEMICAL REDUCTION PROCESS FOR CONTINUOUSLY PLATING NICKEL ON OBJECTS HAVING A CATALYTIC METAL SURFACE COMPRISING THE STEPS OF PROVIDING AN AQUEOUS SOLUTION COMRPISED OF FREE NICKEL IONS IN THE AMOUNT OF FROM 10**-10 TO 10**-2 GRAM-IONS PER LITER, AND A REDUCTANT SELECTED FROM THE GROUP CONSISTING OF HYDRAZINE AND HYDRAZINE DERIVATIVES, MAINTIANING SAID SOLUTION AT A TEMPERATURE OF FROM 70* TO 100*C. AND AT A PH OF FROM 6.5 TO 11, IMERSING INTO SID SOLUTION AN OBJECT WITH A CATALYTIC SURFACE WHICH WILL CATALYZE HYDROGENATION-DEHYDROGENATION REACTIONS MAINTAINING SAID OBJECT ILN THE SOLUTION FOR A PREDETERMINED TIME UNTIL A NICKEL LAYER OF A PRESELECTED DEPTH HAS BEEN DEPOSITED AND FINALLY WITHDRAWING THE OBJECT FROM THE SOLUTION.
References Cited (Backward Citations)
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Cited
US2430581A
Cited
US2547838A
Cited
US2808345A
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US2801935A
Cited
US3119709A
Cited
US3032436A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1968-08-02 | 1969-02-01 | 1969-08-03 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1972-08-02 | 1973-02-01 | 1973-08-03 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1976-08-02 | 1977-02-01 | 1977-08-03 | $7700.00 | Window Closed / Lapsed |