US2879191A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Method of producing heat treated copper zirconium alloys and articles formed thereof
Assignee: Luvata Ohio Inc
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Filing: 1958-06-23
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Granted: 1959-03-24
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Expires: 1978-06-23
Abstract
No abstract record available.
Inventors
- 👤 Paul W Nippert
- 👤 Allen W Hodge
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-02 15:10
CPC Classifications
C; C22; C22F; C22F1/00; C22F1/08
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
70 words
THE STEPS IN THE METHOD OF PRODUCING AN IMPROVED METAL ALLOY FOR COLD WORKING WHICH ALLOY POSSESSES GREATER STRENGTH IN A DIRECTION TRANSVERSE TO THE DIRECTION OF COLD WORKING, SAID METHOD COMPRISING ALLOYING ABOUT .01 TO ABOUT 1.0 PERCENT ZIRCONIUM AND THE BALANCE ELECTROLYTICALLY REFINED COPPER; SOLUTION ANNEALING SAID ALLOY AT A TEMPERATURE BETWEEN 1300 DEGREES AND 1740 DEGREES FAHRENHEIT; QUENCHING SAID ALLOY; AND SUBJECTING SAID ALLOY TO COLD WORKING.
Claim 2
Dependent Claim
70 words
THE STEPS IN THE METHOD OF PRODUCING AN IMPROVED METAL ALLOY FOR COLD WORKING WHICH ALLOY POSSESSES GREATER STRENGTH IN A DIRECTION TRANSVERSE TO THE DIRECTION OF COLD WORKING, SAID METHOD COMPRISING ALLOYING ABOUT .01 TO ABOUT 1.0 PERCENT ZIRCONIUM AND THE BALANCE ELECTROLYTICALLY REFINED COPPER; SOLUTION ANNEALING SAID ALLOY AT A TEMPERATURE BETWEEN 1300 DEGREES AND 1740 DEGREES FAHRENHEIT; QUENCHING SAID ALLOY; AND SUBJECTING SAID ALLOY TO COLD WORKING.
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) | 1962-03-23 | 1962-09-22 | 1963-03-24 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1966-03-23 | 1966-09-22 | 1967-03-24 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1970-03-23 | 1970-09-22 | 1971-03-24 | $7700.00 | Window Closed / Lapsed |