US3698965A
Expired / Lapsed
US
⏱️ 0.0 years remaining
High conductivity,high strength copper alloys
Assignee: Olin Corp
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Filing: 1970-04-13
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Granted: 1972-10-17
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Expires: 1990-04-13
Abstract
Abstract NEW AND IMPROVED COPPER BASE ALLOYS COMBINING HIGH CONDUCTIVITY WITH EXCELLENT STRENGTH, WITH COMPOSITION CONSISTING ESSENTIALLY OF FROM 0.2 TO 4.0% IRON, FROM 0.2 TO 2.5% COBALT, FROM 0.01 TO 0.5% PHOSPHORUS AND A MATERIAL SELECTED FROM THE GROUP CONSISTING OF TIN FROM 0.1 TO 1.0%, MAGNESIUM FROM 0.1 TO 1.0% AND MIXTURE THEREOF, AND THE BALANCE ESSENTIALLY COPPER, WITH THE TOTAL IRON PLUS COBALT CONTENT BEING FROM 1 TO 5%.
Inventors
- 👤 Elmars Ence
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-03 02:56
CPC Classifications
C; C22; C22C; C22C9/00; C22C9/06; C22C9/02
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) | 1975-10-17 | 1976-04-17 | 1976-10-17 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1979-10-17 | 1980-04-17 | 1980-10-17 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1983-10-17 | 1984-04-17 | 1984-10-17 | $7700.00 | Window Closed / Lapsed |