US3981724A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Electrically conductive alloy
Assignee: Consolidated Refining Co Inc
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Filing: 1974-11-06
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Granted: 1976-09-21
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Expires: 1994-11-06
Abstract
Abstract An alloy comprising silver plus one or more additives taken from the class consisting of gold, platinum, osmium, iridium, palladium, ruthenium and rhodium is disclosed. Each additive metal is present in an amount of from 0 to 1% by weight of the alloy. The total amount of additive is at least 0.05% by weight of the alloy. A method of making permanent electrical connections using the alloy is also disclosed.
Inventors
- 👤 Janniah S. Prasad
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-09 13:21
CPC Classifications
C; C22; C22C; C22C5/00; C22C5/06; Y; Y10; Y10T; Y10T428/00; Y10T428/12; Y10T428/12431
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
29 words
An alloy consisting essentially of silver, gold and platinum, there being from 0.1 to 0.5% by weight based on said alloy of each of said gold and said platinum.
Claim 2
Dependent Claim
29 words
An alloy consisting essentially of silver, gold and platinum, there being from 0.1 to 0.5% by weight based on said alloy of each of said gold and said platinum.
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) | 1979-09-21 | 1980-03-22 | 1980-09-21 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1983-09-21 | 1984-03-22 | 1984-09-21 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1987-09-21 | 1988-03-22 | 1988-09-21 | $7700.00 | Window Closed / Lapsed |