Patent US3745045A successfully refreshed from Google Patents.
US3745045A
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Electrical contact surface using an ink containing a plating catalyst
Assignee: Individual
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Filing: 1971-01-06
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Granted: 1973-07-10
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Expires: 1991-01-06
Abstract
Abstract A CONDUCTIVE SURFACE OF THE TYPE ENGAGED BY A CONTACT SPRING IS FORMED BY DEPOSITING AN INK CARRYING A PLATING CATALYST ON AN INSULATING SUBSTRATE AND PLATING THE INKED SURFACE WITH AN ELECTROLESS PLATING MATERIAL. THE INK INCORPORATES A CATALYZING AGENT IN THE FORM OF PARTICLES OR FLAKES OF NICKEL OR ALUMINUM TO PRODUCE AN EVEN AND ADEQUATE REDUCTION OF ELECTROLESS PLATING ONTO THE SURFACE THEREOF. PRECISELY DEFINED CONTACT SURFACES WHICH MAY BE EXTENDED THROUGH SMALL HOLES IN A SUPPORTING AND INSULATING SUBSTRATE ARE MADE USING THE FOREGOING MATERIALS. THE INK MAY ADDITIONALLY BE MADE CONDUCTIVE, IF DESIRED.
Inventors
- 👤 R Zimmerman
- 👤 R Brenneman
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-27 16:52
CPC Classifications
H; H05; H05K; H05K3/00; H05K3/22; H05K3/24; H05K3/245; H05K3/246; H05K3/10; H05K3/18; H05K3/181; H05K3/182; H05K2201/00; H05K2201/03; H05K2201/0332; H05K2201/0335; H05K2201/0347; H05K3/40; H05K3/4038; H05K3/4053; H05K3/4069; H05K3/42; H05K3/425; H05K3/426; Y; Y10; Y10T; Y10T428/00; Y10T428/24; Y10T428/24273
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
No citation records indexed.
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1976-07-09 | 1977-01-08 | 1977-07-10 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1980-07-09 | 1981-01-08 | 1981-07-10 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1984-07-09 | 1985-01-08 | 1985-07-10 | $7700.00 | Window Closed / Lapsed |