Patent DE893923C successfully refreshed from Google Patents.
Patent US3102944A successfully refreshed from Google Patents.
US3102944A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Arc welding process
Assignee: AO Smith Corp
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Filing: 1960-08-01
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Granted: 1963-09-03
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Expires: 1980-08-01
Abstract
No abstract record available.
Inventors
- 👤 John J Chyle
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-04 22:27
CPC Classifications
B; B23; B23K; B23K9/00; B23K9/16; B23K9/173
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
60 words
A METHOD OF WELDING BY STRIKING A PRESELECTED ARC BETWEEN AN ELECTRODE AND A WORK MEMBER, DEPOSITING A FLUX INCLUDING PRIMARILY IRON POWDER AND A SMALL AMOUNT OF SLAG FORMING MATERIALS OVER THE AREA TO BE WELDED TO SUBSTANTIALLY BUT INCOMPLETELY ENCLOSE THE ARC, AND FEEDING C02 SHIELDING GAS TO THE ARC TO COVER TO EXPOSED PORTION OF THE ARC.
Claim 2
Independent Claim
60 words
A METHOD OF WELDING BY STRIKING A PRESELECTED ARC BETWEEN AN ELECTRODE AND A WORK MEMBER, DEPOSITING A FLUX INCLUDING PRIMARILY IRON POWDER AND A SMALL AMOUNT OF SLAG FORMING MATERIALS OVER THE AREA TO BE WELDED TO SUBSTANTIALLY BUT INCOMPLETELY ENCLOSE THE ARC, AND FEEDING C02 SHIELDING GAS TO THE ARC TO COVER TO EXPOSED PORTION OF THE ARC.
References Cited (Backward Citations)
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1966-09-02 | 1967-03-04 | 1967-09-03 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1970-09-02 | 1971-03-04 | 1971-09-03 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1974-09-02 | 1975-03-04 | 1975-09-03 | $7700.00 | Window Closed / Lapsed |