US2719801A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Arc welding compositions
Assignee: Lincoln Electric Co
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Filing: 1951-09-05
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Granted: 1955-10-04
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Expires: 1971-09-05
Abstract
No abstract record available.
Inventors
- 👤 Leonidas Keever Stringham
- 👤 Paul E Jerabek
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-02 21:43
CPC Classifications
B; B23; B23K; B23K35/00; B23K35/22; B23K35/36; B23K35/3601; B23K35/3602; B23K35/3607; B23K35/3608; B23K35/361; B23K35/362; B23K35/368
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
31 words
FLUX COMPOSITION SUITABLE FOR USE IN ARC WELDING WHEN DEPOSITED AS A LAYER IN THE FORM OF GRANULAR FREEFLOWING PARTICLES CONSISTING OF THE FOLLOWING INGREDIENTS IN APPROXIMATELY THE INDICATED PERCENTAGES, VIZ.:
Claim 2
Dependent Claim
31 words
FLUX COMPOSITION SUITABLE FOR USE IN ARC WELDING WHEN DEPOSITED AS A LAYER IN THE FORM OF GRANULAR FREEFLOWING PARTICLES CONSISTING OF THE FOLLOWING INGREDIENTS IN APPROXIMATELY THE INDICATED PERCENTAGES, VIZ.:
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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) | 1958-10-03 | 1959-04-04 | 1959-10-04 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1962-10-03 | 1963-04-04 | 1963-10-04 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1966-10-03 | 1967-04-04 | 1967-10-04 | $7700.00 | Window Closed / Lapsed |