Patent US3182178A successfully refreshed from Google Patents.
US3182178A
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Welding method and apparatus
Assignee: General Electric Co
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Filing: 1962-08-13
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Granted: 1965-05-04
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Expires: 1982-08-13
Abstract
No abstract record available.
Inventors
- 👤 Libby Henry Thomas
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-04 19:49
CPC Classifications
B; B23; B23K; B23K9/00; B23K9/09
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
46 words
IN A NON-CONSUMABLE ARC WELDING METHOD, THE STEPS OFF VARYING THE CURRENT DENSITY OF AN ARC BETWEEN A NONCONSUMABLE ARC WELDING ELECTRODE AND A WORKPIECE AT A RATE UP TO ABOUT 1000 CYCLES PER SECOND WHILE MAINTAINING A CONTINUOUS ARC BETWEEN THE APPARATUS AND THE WORKPIECE.
Claim 2
Dependent Claim
46 words
IN A NON-CONSUMABLE ARC WELDING METHOD, THE STEPS OFF VARYING THE CURRENT DENSITY OF AN ARC BETWEEN A NONCONSUMABLE ARC WELDING ELECTRODE AND A WORKPIECE AT A RATE UP TO ABOUT 1000 CYCLES PER SECOND WHILE MAINTAINING A CONTINUOUS ARC BETWEEN THE APPARATUS AND THE WORKPIECE.
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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) | 1968-05-03 | 1968-11-02 | 1969-05-04 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1972-05-03 | 1972-11-02 | 1973-05-04 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1976-05-03 | 1976-11-02 | 1977-05-04 | $7700.00 | Window Closed / Lapsed |