US3402043A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Copper base alloys
Assignee: Olin Corp
•
Filing: 1966-03-01
•
Granted: 1968-09-17
•
Expires: 1986-03-01
Abstract
No abstract record available.
Inventors
- 👤 Smith Richard Dale
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-31 22:49
CPC Classifications
C; C22; C22C; C22C9/00; C22C9/04
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
35 words
A COPPER BASE ALLOY CONSISTING ESSENTIALLY OF COPPER FROM 67 TO 80% BY WEIGHT, ZINC FROM 15.0 TO 31% BY WEIGHT ALUMINUM FROM 1.0 TO 5.0% BY WEIGHT COBALT FROM 0.1 TO 3.0% BY WEIGHT.
Claim 2
Dependent Claim
35 words
A COPPER BASE ALLOY CONSISTING ESSENTIALLY OF COPPER FROM 67 TO 80% BY WEIGHT, ZINC FROM 15.0 TO 31% BY WEIGHT ALUMINUM FROM 1.0 TO 5.0% BY WEIGHT COBALT FROM 0.1 TO 3.0% BY WEIGHT.
References Cited (Backward Citations)
GB578873A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1971-09-17 | 1972-03-18 | 1972-09-17 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1975-09-17 | 1976-03-18 | 1976-09-17 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1979-09-17 | 1980-03-18 | 1980-09-17 | $7700.00 | Window Closed / Lapsed |