US3007033A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Inert gas shielded metal arc welding
Assignee: Union Carbide Corp
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Filing: 1959-04-15
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Granted: 1961-10-31
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Expires: 1979-04-15
Abstract
No abstract record available.
Inventors
- 👤 Arthur J Newman
- 👤 Reinhardt Gustav
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-26 16:23
CPC Classifications
B; B23; B23K; B23K9/00; B23K9/16; B23K9/173; B23K9/1735
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
112 words
INERT MONATOMIC GAS SHIELDED MULTIPLE ELECTRODE METAL ARC WELDING OF ALUMINUM AND MAGNESIUM, WHICH COMPRISES SIMULTANEOUSLY FEEDING A PLURALITY OF FUSIBLE METAL WIRE ANODES IN CLOSELY SPACED PARALLEL RELATION TOWARD A COMMON POOL OF WELD METAL ON A METAL WORK CATHODE TO BE WELDED, SHIELDING SUCH ELECTRODES WITH A COMMON STREAM OF INERT MONATOMIC GAS SELECTED FROM THE CLASS CONSISTING OF COMMERCIALLY PURE ARGON AND HELIUM, AND ENERGIZING PARALLEL WELDING ARCS BETWEEN SUCH WORK CATHODE AND WIRE ANODES FROM A COMMON SOURCE OF DIRECT CURRENT, CREATING SUCH COMMON POOL OF WELD METAL IN SUCH WORK CATHODE WITH WELDING CURRENT HAVING A VALUE THAT IS SUBSTANTIALLY MORE THAN THE SUM OF THE MAXIMUM
Claim 2
Dependent Claim
112 words
INERT MONATOMIC GAS SHIELDED MULTIPLE ELECTRODE METAL ARC WELDING OF ALUMINUM AND MAGNESIUM, WHICH COMPRISES SIMULTANEOUSLY FEEDING A PLURALITY OF FUSIBLE METAL WIRE ANODES IN CLOSELY SPACED PARALLEL RELATION TOWARD A COMMON POOL OF WELD METAL ON A METAL WORK CATHODE TO BE WELDED, SHIELDING SUCH ELECTRODES WITH A COMMON STREAM OF INERT MONATOMIC GAS SELECTED FROM THE CLASS CONSISTING OF COMMERCIALLY PURE ARGON AND HELIUM, AND ENERGIZING PARALLEL WELDING ARCS BETWEEN SUCH WORK CATHODE AND WIRE ANODES FROM A COMMON SOURCE OF DIRECT CURRENT, CREATING SUCH COMMON POOL OF WELD METAL IN SUCH WORK CATHODE WITH WELDING CURRENT HAVING A VALUE THAT IS SUBSTANTIALLY MORE THAN THE SUM OF THE MAXIMUM
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) | 1964-10-30 | 1965-05-01 | 1965-10-31 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1968-10-30 | 1969-05-01 | 1969-10-31 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1972-10-30 | 1973-05-01 | 1973-10-31 | $7700.00 | Window Closed / Lapsed |