Patent US2503377A successfully refreshed from Google Patents.
US2503377A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Deoxidizer alloy for molten metal baths consisting predominately of copper
Assignee: Acme Aluminum Alloys Inc
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Filing: 1947-07-31
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Granted: 1950-04-11
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Expires: 1967-07-31
Abstract
No abstract record available.
Inventors
- 👤 Hugh S Cooper
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-28 22:00
CPC Classifications
C; C22; C22C; C22C9/00; C22C9/04
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
36 words
AN ALLOY FOR DEGASIFYING MOLTEN METAL BATHS, SAID ALLOY CONSISTING OF FROM SMALL AMOUNTS UP TO 10% ONE OF THE METALS SELECTED FROM THE GROUP CONSISTING OF BA AND SR, 20% TO 40% ZN, BALANCE CU.
Claim 2
Dependent Claim
36 words
AN ALLOY FOR DEGASIFYING MOLTEN METAL BATHS, SAID ALLOY CONSISTING OF FROM SMALL AMOUNTS UP TO 10% ONE OF THE METALS SELECTED FROM THE GROUP CONSISTING OF BA AND SR, 20% TO 40% ZN, BALANCE CU.
References Cited (Backward Citations)
US2286546A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1953-04-10 | 1953-10-10 | 1954-04-11 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1957-04-10 | 1957-10-10 | 1958-04-11 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1961-04-10 | 1961-10-10 | 1962-04-11 | $7700.00 | Window Closed / Lapsed |