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US3392016A
Expired / Lapsed
US
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Copper-zirconium alloy
Assignee: Cyprus Amax Minerals Co
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Filing: 1966-08-02
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Granted: 1968-07-09
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Expires: 1986-08-02
Abstract
No abstract record available.
Inventors
- 👤 William R Opie
- 👤 Jan A Paces
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-01 18:47
CPC Classifications
F; F28; F28F; F28F21/00; F28F21/08; F28F21/081; F28F21/085; C; C22; C22C; C22C9/00; F28F1/00; F28F1/10; F28F1/12; F28F1/24; F28F1/32
Claims Analysis
Total Claims: 0
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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) | 1971-07-09 | 1972-01-08 | 1972-07-09 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1975-07-09 | 1976-01-08 | 1976-07-09 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1979-07-09 | 1980-01-08 | 1980-07-09 | $7700.00 | Window Closed / Lapsed |