US3076735A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Sumberged-melt arc welding, composition and process
Assignee: Union Carbide Corp
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Filing: 1959-08-25
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Granted: 1963-02-05
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Expires: 1979-08-25
Abstract
No abstract record available.
Inventors
- 👤 William B Sharav
- 👤 Thomas L Coless
- 👤 Louis A Prince
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-02 14:08
CPC Classifications
B; B23; B23K; B23K35/00; B23K35/22; B23K35/36; B23K35/362; B23K35/3601; B23K35/3607; B23K35/365
Claims Analysis
Total Claims: 1
Claim 1
Independent Claim
96 words
A METAL ARC WELDING COMPOSITION OF THE MANGANESE SILICATE MODIFIED CALCIUM SILICATE, MANGANESE ALUMINUM SILICATE, AND MAGNESIUM ALUMINUM SILICATE TYPES CONSISTING ESSENTIALLY OF SOLID PARTICLES EACH OF WHICH IS COMPOSED OF MICROSCOPICALLY SMALL SPHERES COMPRISING FERRO SILICON DISTRIBUTED THROUGHOUT A SOLID MATRIX COMPOSED OF MATERIAL CONSISTING ESSENTIALLY OF METAL OXIDES, METAL SILICATES, AND MIXTURES THEREOF, SO THAT SUCH COMPOSITION IS EFFECTIVE TO PRODUCE SOUND WELDS ON STEEL WORK CONTAINING IRON OXIDE INCLUDING SURFACE SCALE AND INCLUSIONS ENCOUNTERED IN METAL ARC WELDING CHARACTERIZED IN THAT THE SUSPENDED METALLIC ADDITIONS COMPRISE ABOUT 1% TO 6% OF THE COMPOSITION.
References Cited (Backward Citations)
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USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1966-02-04 | 1966-08-06 | 1967-02-05 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1970-02-04 | 1970-08-06 | 1971-02-05 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1974-02-04 | 1974-08-06 | 1975-02-05 | $7700.00 | Window Closed / Lapsed |