US3379556A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Electroless plating system
Assignee: Ampex Corp
•
Filing: 1965-02-24
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Granted: 1968-04-23
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Expires: 1985-02-24
Abstract
No abstract record available.
Inventors
- 👤 Eraldo M Chiecchi
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-22 23:55
CPC Classifications
C; C23; C23C; C23C18/00; C23C18/16; C23C18/52; C23C18/18; C23C18/20; C23C18/2006; C23C18/2046; C23C18/2073; C23C18/208; C23C18/22; C23C18/24; C23C18/28; C23C18/285; C23C18/30
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
42 words
IN THE METHOD OF ELECTOLESS PLATING WHEREIN A NONCONDUCTING SUBSTRATE IS SNESITIZED, ACTIVATED AND PLATED WITH A METAL IN AN ELECTROLESS PLATING SOLUTION, THE IMPROVEMENT COMPRISING TREATING SAID SUBSTRATE WITH A WERNER-TYPE COMPLEX OF CHROMIUM AND POLYMERIZING THE SAME PRIOR TO SENSITIZATION.
Claim 2
Dependent Claim
42 words
IN THE METHOD OF ELECTOLESS PLATING WHEREIN A NONCONDUCTING SUBSTRATE IS SNESITIZED, ACTIVATED AND PLATED WITH A METAL IN AN ELECTROLESS PLATING SOLUTION, THE IMPROVEMENT COMPRISING TREATING SAID SUBSTRATE WITH A WERNER-TYPE COMPLEX OF CHROMIUM AND POLYMERIZING THE SAME PRIOR TO SENSITIZATION.
References Cited (Backward Citations)
US2791515A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1971-04-23 | 1971-10-23 | 1972-04-23 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1975-04-23 | 1975-10-23 | 1976-04-23 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1979-04-23 | 1979-10-23 | 1980-04-23 | $7700.00 | Window Closed / Lapsed |