US3196006A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Copper base alloys containing cobalt, beryllium, and zirconium
Assignee: Westinghouse Electric Corp
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Filing: 1963-05-10
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Granted: 1965-07-20
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Expires: 1983-05-10
Abstract
No abstract record available.
Inventors
- 👤 Donald H Lane
- 👤 Emley Frank
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-06 04:32
CPC Classifications
C; C22; C22C; C22C9/00; C22C9/06
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
96 words
A COLD WORKED, AGE HARDENED COPPER BASE ALLOY MEMBER CONSISTING ESSENTIALLY OF FROM 0.4% TO 0.7% BY WEIGHT OF BERYLLIUM, FROM 2% TO 3% BY WEIGHT OF COBALT, FROM 0.12% TO 0.4% BY WEIGHT OF ZIRCONIUM AND THE BALANCE COPPER AND SMALL AMOUNTS OF INCIDENTAL IMPURIITIES WITH LEAD NOT EXCEEDING 0.005%, THE MEMBER BEING COLD WORKED AT LEAST 10% AND AGE HARDENED TO A TEMPERATURE OF FROM 300*C. TO 600*C. FOR A PERIOD OF THE ORDER OF 0.25 OR MORE HOURS TO IMPART RELATIVELY HIGH MECHANICAL STRENGTH TO THE MEMBER WITHOUT A SUBSTANTIAL DECREASE IN DUCTILITY.
Claim 2
Dependent Claim
96 words
A COLD WORKED, AGE HARDENED COPPER BASE ALLOY MEMBER CONSISTING ESSENTIALLY OF FROM 0.4% TO 0.7% BY WEIGHT OF BERYLLIUM, FROM 2% TO 3% BY WEIGHT OF COBALT, FROM 0.12% TO 0.4% BY WEIGHT OF ZIRCONIUM AND THE BALANCE COPPER AND SMALL AMOUNTS OF INCIDENTAL IMPURIITIES WITH LEAD NOT EXCEEDING 0.005%, THE MEMBER BEING COLD WORKED AT LEAST 10% AND AGE HARDENED TO A TEMPERATURE OF FROM 300*C. TO 600*C. FOR A PERIOD OF THE ORDER OF 0.25 OR MORE HOURS TO IMPART RELATIVELY HIGH MECHANICAL STRENGTH TO THE MEMBER WITHOUT A SUBSTANTIAL DECREASE IN DUCTILITY.
References Cited (Backward Citations)
US2412447A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1968-07-19 | 1969-01-18 | 1969-07-20 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1972-07-19 | 1973-01-18 | 1973-07-20 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1976-07-19 | 1977-01-18 | 1977-07-20 | $7700.00 | Window Closed / Lapsed |