US3843350A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Novel conductive metallizations
Assignee: EIDP Inc
•
Filing: 1973-12-27
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Granted: 1974-10-22
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Expires: 1993-12-27
Abstract
Abstract 1. POWDER COMPOSITION USEFUL FOR PRODUCING LOW-COST, AIR-FIREABLE CONDUCTOR PATTERNS ADHERENT TO DIELECTRIC SUBSTRATES, SAID COMPOSITINS CONSISTING ESSENTIALLY OF FINELY DIVIDED SILVER PARTICLES AND FINELY DIVIDED PALLADIUM/ COPPER ALLOY PARTICLES; THERE BEING AT LEAST 35% BY WEIGHT PD IN SAID ALLOY PARTICLES, BASED ON TOTAL WEIGHT OF PD AND CU THEREIN; AND THE WEIGHT RATIO OF PALLADIUM/COPPER ALLOY TO SILVER BEING IN THE RANGE OF 0.1/1 TO 0.5/1.
Inventors
- 👤 J Larry
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-30 17:02
CPC Classifications
H; H05; H05K; H05K1/00; H05K1/02; H05K1/09; H05K1/092; H01; H01B; H01B1/00; H01B1/14; H01B1/16; Y; Y10; Y10T; Y10T428/00; Y10T428/12; Y10T428/12014; Y10T428/12028; Y10T428/12049; Y10T428/12056; Y10T428/12493; Y10T428/12535; Y10T428/12597; Y10T428/12611; Y10T428/12618
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
67 words
POWDER COMPOSITION USEFUL FOR PRODUCING LOW-COST, AIR-FIREABLE CONDUCTOR PATTERNS ADHERENT TO DIELECTRIC SUBSTRATES, SAID COMPOSITINS CONSISTING ESSENTIALLY OF FINELY DIVIDED SILVER PARTICLES AND FINELY DIVIDED PALLADIUM/ COPPER ALLOY PARTICLES; THERE BEING AT LEAST 35% BY WEIGHT PD IN SAID ALLOY PARTICLES, BASED ON TOTAL WEIGHT OF PD AND CU THEREIN; AND THE WEIGHT RATIO OF PALLADIUM/COPPER ALLOY TO SILVER BEING IN THE RANGE OF 0.1/1 TO 0.5/1.
Claim 2
Dependent Claim
67 words
POWDER COMPOSITION USEFUL FOR PRODUCING LOW-COST, AIR-FIREABLE CONDUCTOR PATTERNS ADHERENT TO DIELECTRIC SUBSTRATES, SAID COMPOSITINS CONSISTING ESSENTIALLY OF FINELY DIVIDED SILVER PARTICLES AND FINELY DIVIDED PALLADIUM/ COPPER ALLOY PARTICLES; THERE BEING AT LEAST 35% BY WEIGHT PD IN SAID ALLOY PARTICLES, BASED ON TOTAL WEIGHT OF PD AND CU THEREIN; AND THE WEIGHT RATIO OF PALLADIUM/COPPER ALLOY TO SILVER BEING IN THE RANGE OF 0.1/1 TO 0.5/1.
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) | 1977-10-21 | 1978-04-22 | 1978-10-22 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1981-10-21 | 1982-04-22 | 1982-10-22 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1985-10-21 | 1986-04-22 | 1986-10-22 | $7700.00 | Window Closed / Lapsed |