US3097093A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Copper base alloys
Assignee: Westinghouse Electric Corp
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Filing: 1961-05-31
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Granted: 1963-07-09
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Expires: 1981-05-31
Abstract
No abstract record available.
Inventors
- 👤 Donald K Fox
- 👤 William J Reichenecker
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-23 21:09
CPC Classifications
C; C22; C22C; C22C9/00; C22C9/04
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
71 words
A HIGH STRENGTH YELLOW BRASS HAVING FOOD DUCTILITY CONSISTING ESSENTIALLY OF, BY WEIGHT, FROM 52% TO 68% COPPER, FROM 2.5% TO 5% MANGANESE, FROM 2.75% TO 7.5% ALUMINUM, FROM 1% TO 4% IRON, UP TO .01% TIN, UP TO .01% LEAD, FROM 0 TO 0.5% BORON, FROM 0 TO 2% CHROMIUM, AND THE BALANCE ZINC EXCEPT FOR INCIDENTAL IMPURITIES, THE BORON AND CHROMIUM, WHEN PRESENT, IMPARTING CORROSION RESISTANCE TO THE ALLOY.
Claim 2
Dependent Claim
71 words
A HIGH STRENGTH YELLOW BRASS HAVING FOOD DUCTILITY CONSISTING ESSENTIALLY OF, BY WEIGHT, FROM 52% TO 68% COPPER, FROM 2.5% TO 5% MANGANESE, FROM 2.75% TO 7.5% ALUMINUM, FROM 1% TO 4% IRON, UP TO .01% TIN, UP TO .01% LEAD, FROM 0 TO 0.5% BORON, FROM 0 TO 2% CHROMIUM, AND THE BALANCE ZINC EXCEPT FOR INCIDENTAL IMPURITIES, THE BORON AND CHROMIUM, WHEN PRESENT, IMPARTING CORROSION RESISTANCE TO THE ALLOY.
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) | 1966-07-08 | 1967-01-07 | 1967-07-09 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1970-07-08 | 1971-01-07 | 1971-07-09 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1974-07-08 | 1975-01-07 | 1975-07-09 | $7700.00 | Window Closed / Lapsed |