Patent US3504397A successfully refreshed from Google Patents.
Patent US3222207A successfully refreshed from Google Patents.
US3222207A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Process of producing metallic deposits
Assignee: International Business Machines Corp
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Filing: 1961-10-06
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Granted: 1965-12-07
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Expires: 1981-10-06
Abstract
No abstract record available.
Inventors
- 👤 John H Marshall
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-09 07:20
CPC Classifications
C; C23; C23C; C23C18/00; C23C18/16; C23C18/31; C23C18/38; C23C18/40; C23C18/405; D; D06; D06Q; D06Q1/00; D06Q1/04
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
148 words
A PROCESS FOR ELECTROLESSLY DEPOSITING COPPER ON A NONCONDUCTIVE FILAMENTOUS, FIBROUS, GRANULAR OR LIKE BODY BY THE STEPS OF: IMMERSING SAID BODY IN A REDUCIBLE COPPER SULFATE SOLUTION, SAID SOLUTION COMPRISING: 1 TO 15% BY WEIGHT COPPER SULFATE; ONE MEMBER SELECTED FROM THE GROUP CONSISTING OF 0.5 TO 2% BY WEIGHT GLYCERINE, 10 TO 20% BY WEIGHT LACTIC ACID, 20 TO 35% BY WEIGHT CITRIC ACID AND 10 TO 15% BY WEIGHT SODIUM-POTASSIUM TARTRATE; 1 TO 25% BY WEIGHT SODIUM HYDROXIDE; 0.9 9.4% BY WEIGHT FORMALIN AND THE BALANCE WATER; REMOVING SAID BODY FROM SAID SOLUTION AND HEATING SAID BODY TO A TEMPERATURE SUFFICIENT TO REDUCE SUBSTANTIAL PORTIONS OF SAID SENSITIZING SOLUTION WHILE SIMULTANEOUSLY MAINTAINING SAID BODY UNDER PRESSURE SUFFICIENT TO MAINTAIN THE PHYSICAL CONFIGURATION OF SAID BODY FREE FROM DEFORMATION; AND, REIMMERSING SAID BODY IN SAID REDUCIBLE COPPER SULFATE SOLUTION TO DEPOSIT A LAYER OF COPPER THEREON.
Claim 2
Dependent Claim
148 words
A PROCESS FOR ELECTROLESSLY DEPOSITING COPPER ON A NONCONDUCTIVE FILAMENTOUS, FIBROUS, GRANULAR OR LIKE BODY BY THE STEPS OF: IMMERSING SAID BODY IN A REDUCIBLE COPPER SULFATE SOLUTION, SAID SOLUTION COMPRISING: 1 TO 15% BY WEIGHT COPPER SULFATE; ONE MEMBER SELECTED FROM THE GROUP CONSISTING OF 0.5 TO 2% BY WEIGHT GLYCERINE, 10 TO 20% BY WEIGHT LACTIC ACID, 20 TO 35% BY WEIGHT CITRIC ACID AND 10 TO 15% BY WEIGHT SODIUM-POTASSIUM TARTRATE; 1 TO 25% BY WEIGHT SODIUM HYDROXIDE; 0.9 9.4% BY WEIGHT FORMALIN AND THE BALANCE WATER; REMOVING SAID BODY FROM SAID SOLUTION AND HEATING SAID BODY TO A TEMPERATURE SUFFICIENT TO REDUCE SUBSTANTIAL PORTIONS OF SAID SENSITIZING SOLUTION WHILE SIMULTANEOUSLY MAINTAINING SAID BODY UNDER PRESSURE SUFFICIENT TO MAINTAIN THE PHYSICAL CONFIGURATION OF SAID BODY FREE FROM DEFORMATION; AND, REIMMERSING SAID BODY IN SAID REDUCIBLE COPPER SULFATE SOLUTION TO DEPOSIT A LAYER OF COPPER THEREON.
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) | 1968-12-06 | 1969-06-07 | 1969-12-07 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1972-12-06 | 1973-06-07 | 1973-12-07 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1976-12-06 | 1977-06-07 | 1977-12-07 | $7700.00 | Window Closed / Lapsed |