US2851380A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Conductive ink and article coated therewith
Assignee: Woodmont Products Inc
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Filing: 1953-02-09
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Granted: 1958-09-09
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Expires: 1973-02-09
Abstract
No abstract record available.
Inventors
- 👤 Jr William L Berlinghof
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-22 22:21
CPC Classifications
H; H01; H01B; H01B1/00; H01B1/20; H01B1/22; H05; H05K; H05K1/00; H05K1/02; H05K1/09; H05K1/092; H05K1/095; Y; Y10; Y10S; Y10S428/00; Y10S428/901; Y10T; Y10T29/00; Y10T29/49; Y10T29/49002; Y10T29/49117; Y10T29/49124; Y10T29/49155; Y10T29/49163; Y10T428/00; Y10T428/24; Y10T428/24802; Y10T428/24851; Y10T428/24917
Claims Analysis
Total Claims: 1
Claim 1
Independent Claim
85 words
A PRINTED CIRCUIT CONSISTING OF A BASE MEMBER, AT LEAST ONE LINE PRINTED ON SAID BASE MEMBER, SAID LINES CONSISTING ESSENTIALLY OF FINELY DIVIDED SILVER AND TRIALLYL CYANURATE POLYESTER RESIN, THERE BEING FROM 2 1/2 TO 6 PARTS BY WEIGHT OF FINELY DIVIDED SILVER PER 1 PART OF TRIALLYL CYANURATE POLYESTER RESIN, AND A COATING OF TIN, LEAD, SILVER SOLDER ON AT LEAST ONE OF SAID PRINTED LINES, ALL OF SAID SOLDER ADHERING TO THE PRINTED LINES TENACIOUSLY AND RELIABLY FOR RELIABLY MAKING ELECTRICAL CONNECTIONS.
References Cited (Backward Citations)
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Cited
US2443741A
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US2485294A
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US2510503A
Cited
US2632751A
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USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1961-09-08 | 1962-03-10 | 1962-09-09 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1965-09-08 | 1966-03-10 | 1966-09-09 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1969-09-08 | 1970-03-10 | 1970-09-09 | $7700.00 | Window Closed / Lapsed |