Patent US3134669A successfully refreshed from Google Patents.
US3134669A
Expired / Lapsed
US
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Copper base alloys containing manganese and aluminium
Assignee: Lips N V Drunen
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Filing: 1962-06-11
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Granted: 1964-05-26
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Expires: 1982-06-11
Abstract
No abstract record available.
Inventors
- 👤 Putter Warner Jan De
- 👤 Knuvers Gerardus Petrus
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-01 15:00
CPC Classifications
C; C22; C22C; C22C9/00; C22C9/05
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
66 words
A COPPER BASE ALLOY CONTAINING MANGANESE AND ALUMINIUM, HAVING THE FOLLOWING COMPOSITION: 1 TO 9% OF IRON, UP TO 7% NICKEL, UP TO 7% COBALT, NICKEL AND COBALT TOGETHER NOT MORE THAN 7%, THE PRECEEDING ELEMENTS TOGETHER 3 TO 14% OF THE TOTAL WEIGHT, 3 TO 9% OF ALUMINIUM, 17 TO 21% MANAGANESE, 1 TO 7% OF ZINC, WITH THE BALANCE BEING COPPER AND INCIDENTAL IMPURITIES.
Claim 2
Dependent Claim
66 words
A COPPER BASE ALLOY CONTAINING MANGANESE AND ALUMINIUM, HAVING THE FOLLOWING COMPOSITION: 1 TO 9% OF IRON, UP TO 7% NICKEL, UP TO 7% COBALT, NICKEL AND COBALT TOGETHER NOT MORE THAN 7%, THE PRECEEDING ELEMENTS TOGETHER 3 TO 14% OF THE TOTAL WEIGHT, 3 TO 9% OF ALUMINIUM, 17 TO 21% MANAGANESE, 1 TO 7% OF ZINC, WITH THE BALANCE BEING COPPER AND INCIDENTAL IMPURITIES.
References Cited (Backward Citations)
US1962606A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1967-05-26 | 1967-11-25 | 1968-05-26 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1971-05-26 | 1971-11-25 | 1972-05-26 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1975-05-26 | 1975-11-25 | 1976-05-26 | $7700.00 | Window Closed / Lapsed |