US3574001A
Expired / Lapsed
US
⏱️ 0.0 years remaining
High conductivity copper alloys
Assignee: Olin Corp
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Filing: 1968-05-16
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Granted: 1971-04-06
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Expires: 1988-05-16
Abstract
Abstract NEW AND IMPROVED COPPER BASE ALLOYS COMBINING HIGH CONDUCTIVITY WITH GOOD STRENGTH, WITH THE COMPOSITION CONSISTING ESSENTIALLY OF FROM 0.1 TO 2.5% CHROMIUM, 0.01 TO 0.5% PHOSPHORUS, FROM 0.001 TO 0.25% BORON AND THE BALANCE ESSENTIALLY COPPER, WITH THE CHROMIUM BORON AND PHOSPHORUS PRECIPITATED THROUGHOUT THE COPPER MATRIX IN A FINE, UNIFORM DISPERSION.
Inventors
- 👤 Elmars Ence
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-05 07:38
CPC Classifications
C; C22; C22C; C22C9/00
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) | 1974-04-05 | 1974-10-05 | 1975-04-06 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1978-04-05 | 1978-10-05 | 1979-04-06 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1982-04-05 | 1982-10-05 | 1983-04-06 | $7700.00 | Window Closed / Lapsed |