Patent US3134690A successfully refreshed from Google Patents.
US3134690A
Expired / Lapsed
US
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Method for deposition of a copper layer on a non-conductive material
Assignee: Individual
•
Filing: 1960-12-07
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Granted: 1964-05-26
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Expires: 1980-12-07
Abstract
No abstract record available.
Inventors
- 👤 Eriksson Lars Erik
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-24 09:54
CPC Classifications
C; C23; C23C; C23C18/00; C23C18/16; C23C18/31; C23C18/38; C23C18/40; C23C18/405; C23C18/18; C23C18/20; C23C18/28; C23C18/285
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
107 words
A METHOD FOR DISPOSITION OF A COPPER LAYER ON AN OBJECT OF AN ELECTRICALLY NON-CONDUCTING PLASTIC MATERIAL, COMPRISING THE STEPS OF MOISTENING THE OBJECT TO BE TREATED WITH A FIRST PRE-TREATMENT LIQUID, COMPRISING A SOLUTION OF 15-52.5 GRAMS STANNIC CHLORIDE AND 15-52.5 GRAMS HYDROCHLORIC ACID IN SUCH AN AMOUNT OF WATER THAT THERE IS OBTAINED 1000 CM.3 OF SOLUTION, MOISTENING SAID OBJECT WITH A SECOND PRE-TREATMENT LIQUID, COMPRISING A WATER SOLUTION OF 1-10 GRAMS PALLADIUM CHLORIDE PER GALLON OF WATER AND IMMERSING SAID OBJECT IN A PRECIPITATION BATH COMPRISING SULPHATE OF COPPER, FORMALINE, NICKEL CHLORIDE, SODIUM HYDROXIDE, SODIUM POTASSIUM TARTRATE AND SODIUM CARBONATE, ALL DISSOLVED IN WATER.
Claim 2
Independent Claim
107 words
A METHOD FOR DISPOSITION OF A COPPER LAYER ON AN OBJECT OF AN ELECTRICALLY NON-CONDUCTING PLASTIC MATERIAL, COMPRISING THE STEPS OF MOISTENING THE OBJECT TO BE TREATED WITH A FIRST PRE-TREATMENT LIQUID, COMPRISING A SOLUTION OF 15-52.5 GRAMS STANNIC CHLORIDE AND 15-52.5 GRAMS HYDROCHLORIC ACID IN SUCH AN AMOUNT OF WATER THAT THERE IS OBTAINED 1000 CM.3 OF SOLUTION, MOISTENING SAID OBJECT WITH A SECOND PRE-TREATMENT LIQUID, COMPRISING A WATER SOLUTION OF 1-10 GRAMS PALLADIUM CHLORIDE PER GALLON OF WATER AND IMMERSING SAID OBJECT IN A PRECIPITATION BATH COMPRISING SULPHATE OF COPPER, FORMALINE, NICKEL CHLORIDE, SODIUM HYDROXIDE, SODIUM POTASSIUM TARTRATE AND SODIUM CARBONATE, ALL DISSOLVED IN WATER.
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) | 1967-05-26 | 1967-11-25 | 1968-05-26 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1971-05-26 | 1971-11-25 | 1972-05-26 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1975-05-26 | 1975-11-25 | 1976-05-26 | $7700.00 | Window Closed / Lapsed |