Patent US5404446A successfully refreshed from Google Patents.
Patent US2908800A successfully refreshed from Google Patents.
US2908800A
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Metal arc welding
Assignee: Union Carbide Corp
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Filing: 1955-03-15
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Granted: 1959-10-13
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Expires: 1975-03-15
Abstract
No abstract record available.
Inventors
- 👤 Breymeier Rudolph Thomas
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-31 18:59
CPC Classifications
B; B23; B23K; B23K9/00; B23K9/16; B23K9/173
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
94 words
METAL ARC WELDING PROCESS WHICH COMPRISES THE STEPS OF DISCHARGING A STREAM OF OXY-ARGON GAS CONTAINING 0.1050.00% OXYGEN TOWARD A WELDING SITE ON A SELECTED BASE METAL, STRIKING AN ARC BETWEEN THE END OF A WIRE ELECTRODE AND SUCH SITE, ENERGIZING SUCH ARC WITH COMMERCIAL LOW FREQUENCY ALTERNATING CURRENT WELDING POWER AND A SUPERIMPOSED HIGH-FREQUENCY POTENTIAL OF 2 TO 6 MEGACYCLES, SHIELDING THE ARC WITH SUCH STREAM, AND FEEDING THE WIRE ELECTRODE TOWARD THE ARC AT A REGULATED SPEED, PRODUCING A CONTINUOUS SPRAY-TYPE TRANSFER OF ELECTRODE METAL IN SUCH ARC WITH WELL-DEFINED ARC STABILITY.
Claim 2
Dependent Claim
94 words
METAL ARC WELDING PROCESS WHICH COMPRISES THE STEPS OF DISCHARGING A STREAM OF OXY-ARGON GAS CONTAINING 0.1050.00% OXYGEN TOWARD A WELDING SITE ON A SELECTED BASE METAL, STRIKING AN ARC BETWEEN THE END OF A WIRE ELECTRODE AND SUCH SITE, ENERGIZING SUCH ARC WITH COMMERCIAL LOW FREQUENCY ALTERNATING CURRENT WELDING POWER AND A SUPERIMPOSED HIGH-FREQUENCY POTENTIAL OF 2 TO 6 MEGACYCLES, SHIELDING THE ARC WITH SUCH STREAM, AND FEEDING THE WIRE ELECTRODE TOWARD THE ARC AT A REGULATED SPEED, PRODUCING A CONTINUOUS SPRAY-TYPE TRANSFER OF ELECTRODE METAL IN SUCH ARC WITH WELL-DEFINED ARC STABILITY.
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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) | 1962-10-12 | 1963-04-13 | 1963-10-13 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1966-10-12 | 1967-04-13 | 1967-10-13 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1970-10-12 | 1971-04-13 | 1971-10-13 | $7700.00 | Window Closed / Lapsed |