Patent US2895863A successfully refreshed from Google Patents.
US2895863A
Expired / Lapsed
US
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Arc welding flux composition
Assignee: Lincoln Electric Co
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Filing: 1955-09-30
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Granted: 1959-07-21
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Expires: 1975-09-30
Abstract
No abstract record available.
Inventors
- 👤 Leonidas K Stringham
- 👤 Paul E Jerabek
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-29 18:18
CPC Classifications
B; B23; B23K; B23K35/00; B23K35/22; B23K35/36; B23K35/362
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
131 words
A WELDING FLUX COMPOSITION CONSISTING OF THE FOLLOWING NAMED INGREDIENTS, BOUND TOGETHER IN A FINELY GROUND, UNIFORMLY DISTRIBUTED CONDITION INTO FREE FLOWING, GRANULAR PARTICLES, NAMELY BASIC INGREDIENTS SELECTED FROM THE CLASS OF OXIDES OF MAGNESIUM, MANGANESE, ALUMINUM, TITANIUM IN AMOUNTS OF FROM 22 TO 66%; FLUORIDES SELECTED FROM THE CLASS OF CALCIUM FLUORIDE AND SODIUM FLUORIDE IN AMOUNTS OF FROM 2% TO 22%; A KILLING AGENT SELECTED FROM THE CLASS OF FERRO MANGANES, FERRO SILICON, ALUMINUM, CHROMIUM, VANADIUM, MANGANESE AND SILICON IN AMOUNTS OF FROM 1 TO 8%, AND ACID INGREDIENTS SELECTED FROM THE CLASS CONSISTING OF SILICON DIOXIDE AND ZIRCON, SAID ACID INGREDIENTS BEING IN APPROXIMATELY COMBINING RATIO WITH SAID BASIC INGREDIENTS BUT SAID SILICON DIOXIDE BEING PRESENT IN AMOUNTS LESS THAN 5% OF THE TOTAL WEIGHT OF THE INGREDIENTS.
Claim 2
Dependent Claim
131 words
A WELDING FLUX COMPOSITION CONSISTING OF THE FOLLOWING NAMED INGREDIENTS, BOUND TOGETHER IN A FINELY GROUND, UNIFORMLY DISTRIBUTED CONDITION INTO FREE FLOWING, GRANULAR PARTICLES, NAMELY BASIC INGREDIENTS SELECTED FROM THE CLASS OF OXIDES OF MAGNESIUM, MANGANESE, ALUMINUM, TITANIUM IN AMOUNTS OF FROM 22 TO 66%; FLUORIDES SELECTED FROM THE CLASS OF CALCIUM FLUORIDE AND SODIUM FLUORIDE IN AMOUNTS OF FROM 2% TO 22%; A KILLING AGENT SELECTED FROM THE CLASS OF FERRO MANGANES, FERRO SILICON, ALUMINUM, CHROMIUM, VANADIUM, MANGANESE AND SILICON IN AMOUNTS OF FROM 1 TO 8%, AND ACID INGREDIENTS SELECTED FROM THE CLASS CONSISTING OF SILICON DIOXIDE AND ZIRCON, SAID ACID INGREDIENTS BEING IN APPROXIMATELY COMBINING RATIO WITH SAID BASIC INGREDIENTS BUT SAID SILICON DIOXIDE BEING PRESENT IN AMOUNTS LESS THAN 5% OF THE TOTAL WEIGHT OF THE INGREDIENTS.
References Cited (Backward Citations)
US1905081A
Cited
US1909218A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1962-07-20 | 1963-01-19 | 1963-07-21 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1966-07-20 | 1967-01-19 | 1967-07-21 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1970-07-20 | 1971-01-19 | 1971-07-21 | $7700.00 | Window Closed / Lapsed |