US3323913A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Copper base alloys containing manganese, aluminum and zinc
Assignee: Lips NV
•
Filing: 1964-12-10
•
Granted: 1967-06-06
•
Expires: 1984-12-10
Abstract
No abstract record available.
Inventors
- 👤 Bosman Leendert
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-24 16:40
CPC Classifications
C; C22; C22C; C22C9/00; C22C9/05
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
87 words
AN ALLOY HAVING THE FOLLOWING WEIGHT COMPOSITION: 1 TO 8% ALUMINUM, UP TO 6% NICKEL, 1 TO 5% IRON, MORE THAN 21 UP TO 35% MANGANESE, 1 TO 7% ZINC, BALANCE ESSENTIALLY COPPER, THE SUM OF IRON AND ANY NICKEL BEING 3 TO 11%, THE ALUMINUM CONTENT BEING NOT MORE THAN 7% IF THE MANGANESE CONTENT IS AS HIGH AS 28%, THE ALUMINUM EQUIVALENT, CALCULATED BY ADDING TO THE ALUMINUM PERCENTAGE 0.15 TIMES THE MAGANESE PERCENTAGE AND 0.35 TIMES THE ZINC PERCENTAGE, BEING BETWEEN 7 AND 13.
Claim 2
Dependent Claim
87 words
AN ALLOY HAVING THE FOLLOWING WEIGHT COMPOSITION: 1 TO 8% ALUMINUM, UP TO 6% NICKEL, 1 TO 5% IRON, MORE THAN 21 UP TO 35% MANGANESE, 1 TO 7% ZINC, BALANCE ESSENTIALLY COPPER, THE SUM OF IRON AND ANY NICKEL BEING 3 TO 11%, THE ALUMINUM CONTENT BEING NOT MORE THAN 7% IF THE MANGANESE CONTENT IS AS HIGH AS 28%, THE ALUMINUM EQUIVALENT, CALCULATED BY ADDING TO THE ALUMINUM PERCENTAGE 0.15 TIMES THE MAGANESE PERCENTAGE AND 0.35 TIMES THE ZINC PERCENTAGE, BEING BETWEEN 7 AND 13.
References Cited (Backward Citations)
GB922399A
Cited
US3134669A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1970-06-05 | 1970-12-05 | 1971-06-06 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1974-06-05 | 1974-12-05 | 1975-06-06 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1978-06-05 | 1978-12-05 | 1979-06-06 | $7700.00 | Window Closed / Lapsed |