US3297437A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Copper base alloys containing manganese and aluminium
Assignee: Lips NV
•
Filing: 1964-01-27
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Granted: 1967-01-10
•
Expires: 1984-01-27
Abstract
No abstract record available.
Inventors
- 👤 Bosman Leendert
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-01 23:30
CPC Classifications
C; C22; C22C; C22C9/00; C22C9/05
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
83 words
AN ALLOY HAVING THE FOLLOWING WEIGHT COMPOSITION: 1 TO 9% IRON, UP TO 7% OF A MEMBER SELECTED FROM THE CLASS CONSITING OF NICKEL, COBALT, AND MIXTURES THEREOF, 3 TO 9, ALUMINUM, 10 TO 16% MANGANESE, 1 TO 7% ZINC, BALANCE ESSENTIALLY COPPER, THE SUM OF THE IRON AND ANY NICKEL BEING 3 TO 14%, IN WHICH THE ALUMINUM EQUIVALENT, CALCULATED BY ADDING TO THE ALUMINUM PERCENTAGE 0.15 TIMES THE MANGANESE PERCENTAGE AND 0.35 TIMES THE ZINC PERCENTAGE, IS BETWEEN 7 AND 13.
Claim 2
Dependent Claim
83 words
AN ALLOY HAVING THE FOLLOWING WEIGHT COMPOSITION: 1 TO 9% IRON, UP TO 7% OF A MEMBER SELECTED FROM THE CLASS CONSITING OF NICKEL, COBALT, AND MIXTURES THEREOF, 3 TO 9, ALUMINUM, 10 TO 16% MANGANESE, 1 TO 7% ZINC, BALANCE ESSENTIALLY COPPER, THE SUM OF THE IRON AND ANY NICKEL BEING 3 TO 14%, IN WHICH THE ALUMINUM EQUIVALENT, CALCULATED BY ADDING TO THE ALUMINUM PERCENTAGE 0.15 TIMES THE MANGANESE PERCENTAGE AND 0.35 TIMES THE ZINC PERCENTAGE, IS BETWEEN 7 AND 13.
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) | 1970-01-09 | 1970-07-11 | 1971-01-10 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1974-01-09 | 1974-07-11 | 1975-01-10 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1978-01-09 | 1978-07-11 | 1979-01-10 | $7700.00 | Window Closed / Lapsed |