US2731373A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Electrode flux covering for copper and copper-base alloy core materials
Assignee: Eutectic Corp
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Filing: 1954-08-10
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Granted: 1956-01-17
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Expires: 1974-08-10
Abstract
No abstract record available.
Inventors
- 👤 Wasserman Rene David
- 👤 Quaas Joseph
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-03 19:27
CPC Classifications
B; B23; B23K; B23K35/00; B23K35/22; B23K35/36; B23K35/365
Claims Analysis
Total Claims: 1
Claim 1
Independent Claim
80 words
A COMPOSITION SUITABLE FOR APPLICATION TO A METALLIC ELECTRODE CORE FOR USE IN AN ELECTRICL ARC WELDING OPERATION COMPRISING A MIXTURE OF SUBSTANTIALLY EQUAL PARTS OF CALCIUM CARBONATE, CALCIUM FLUORIDE, LEPIDOLITE, AND TITANIUM DIOXIDE, SAID INGREDIENTS AGGREGATING 80 PER CENT BY WEIGHT OF THE TOTAL MIXUTRE, THE REMAINDER CONSISTING OF DEOXIDIZERS SELECTED FROM THE GROUP CONSISTING OF METAL ALLOY POWDERS AND GRAPHITE AND SLAG-FORMING CONSTITUENTS SELECTED FROM THE GROUP CONSISTING OF TALC, ZIRCONIUM SILICATE, POTASH, FELDSPAR, ALUMINUM SILICATE AND CLAY.
References Cited (Backward Citations)
No citation records indexed.
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1959-01-16 | 1959-07-18 | 1960-01-17 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1963-01-16 | 1963-07-18 | 1964-01-17 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1967-01-16 | 1967-07-18 | 1968-01-17 | $7700.00 | Window Closed / Lapsed |