Patent FR819294A successfully refreshed from Google Patents.
US2975084A
Expired / Lapsed
US
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Flux composition for aluminum casting process and methods for controlling molten flux baths
Assignee: Old Carco LLC
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Filing: 1957-12-09
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Granted: 1961-03-14
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Expires: 1977-12-09
Abstract
No abstract record available.
Inventors
- 👤 Walter E Jominy
- 👤 John H Olson
- 👤 Robert B Boswell
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-02 13:11
CPC Classifications
B; B23; B23K; B23K35/00; B23K35/22; B23K35/36; B23K35/3601; B23K35/3603
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
66 words
A FLUENT FUSED FLUX OF THE SALT TYPE FOR USE IN CASTING ALUMINUM TO FERROUS BODIES TO EFFECT AN ALLOY BOND THEREWITH, SAID FLUX CONSISTING OF THE FOLLOWING SUBSTANCES AS ESSENTIAL CONSISTUENTS AND IN SUBSTANTIALLY THE AMOUNTS GIVEN: PARTS BY WEIGHT SODIUM CHLORIDE ------------------- 7 TO 40 POTASSIUM CHLORIDE --------------- 24 TO 44 NATURAL GREENLAND CRYOLITE -------- 9 TO 25 ZINC CHLORIDE -------------------- UP TO 34
Claim 2
Dependent Claim
66 words
A FLUENT FUSED FLUX OF THE SALT TYPE FOR USE IN CASTING ALUMINUM TO FERROUS BODIES TO EFFECT AN ALLOY BOND THEREWITH, SAID FLUX CONSISTING OF THE FOLLOWING SUBSTANCES AS ESSENTIAL CONSISTUENTS AND IN SUBSTANTIALLY THE AMOUNTS GIVEN: PARTS BY WEIGHT SODIUM CHLORIDE ------------------- 7 TO 40 POTASSIUM CHLORIDE --------------- 24 TO 44 NATURAL GREENLAND CRYOLITE -------- 9 TO 25 ZINC CHLORIDE -------------------- UP TO 34
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) | 1964-03-13 | 1964-09-12 | 1965-03-14 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1968-03-13 | 1968-09-12 | 1969-03-14 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1972-03-13 | 1972-09-12 | 1973-03-14 | $7700.00 | Window Closed / Lapsed |