US2755211A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Electric welding medium containing manganese oxide, titania, and silica
Assignee: Union Carbide Corp
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Filing: 1954-12-17
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Granted: 1956-07-17
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Expires: 1974-12-17
Abstract
No abstract record available.
Inventors
- 👤 Clarence E Jackson
- 👤 Arthur E Shrubsall
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-25 02:45
CPC Classifications
B; B23; B23K; B23K35/00; B23K35/22; B23K35/36; B23K35/3601
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
78 words
A GRANULATED WELDING MEDIUM CONTAINING 15% TO 28% SILICA; 20% TO 35% TITANIA; UP TO 7.5% ALUMINA; UP TO ABOUT 7.5% IN THE AGGREGATE OF AT LEAST ONE OXIDE SELECTED FROM THE GROUP CONSISTING OF IRON OXIDE (FEO), LIME (CAO) AND MAGNESIA (MGO); UP TO 1% VANADIUM PENTOXIDE; UP TO 5% CALCIUM FLUORIDE; THE REMAINDER MANGANESE OXIDE (MNO) AND INCIDENTAL IMPURITIES, THE COMPOSITION OF THE MEDIUM BEING SO BALANCED THAT THE MANGANESE OXIDE CONTENT IS 40% TO 50%.
Claim 2
Dependent Claim
78 words
A GRANULATED WELDING MEDIUM CONTAINING 15% TO 28% SILICA; 20% TO 35% TITANIA; UP TO 7.5% ALUMINA; UP TO ABOUT 7.5% IN THE AGGREGATE OF AT LEAST ONE OXIDE SELECTED FROM THE GROUP CONSISTING OF IRON OXIDE (FEO), LIME (CAO) AND MAGNESIA (MGO); UP TO 1% VANADIUM PENTOXIDE; UP TO 5% CALCIUM FLUORIDE; THE REMAINDER MANGANESE OXIDE (MNO) AND INCIDENTAL IMPURITIES, THE COMPOSITION OF THE MEDIUM BEING SO BALANCED THAT THE MANGANESE OXIDE CONTENT IS 40% TO 50%.
References Cited (Backward Citations)
US2308194A
Cited
US2509654A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1959-07-17 | 1960-01-16 | 1960-07-17 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1963-07-17 | 1964-01-16 | 1964-07-17 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1967-07-17 | 1968-01-16 | 1968-07-17 | $7700.00 | Window Closed / Lapsed |