US3071680A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Arc welding
Assignee: Airco Inc
•
Filing: 1960-06-17
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Granted: 1963-01-01
•
Expires: 1980-06-17
Abstract
No abstract record available.
Inventors
- 👤 Nelson E Anderson
- 👤 William J Greene
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-28 03:47
CPC Classifications
B; B23; B23K; B23K9/00; B23K9/09; B23K9/091; B23K9/092
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
89 words
IN THE PRACTICE OF HIGH CURRENT DENSITY ARC WELDING WHEREIN AT WELDING CURRENT VALUES ABOVE A TRANSITION VALUE THE MOLTEN DROPS OF METAL RELEASED FROM A CONSUMABLE METAL ELECTRODE SUDDENLY INCREASE IN NUMBER WITH A CONCURRENT REDUCTION IN THEIR SIZE TO PRODUCE AN AXIAL SPRAY TRANSFER OF METAL FROM THE ELECTRODE TO A WORKPIECE, THE METHOD OF OBTAINING THE CHARACTERISTICS OF SAID HIGH CURRENT DENSITY ARC WELDING AT LOW AVERAGE WELDING CURRENT VALUES WHICH COMPRISES SUPPLYING THROUGH SAID ELECTRODE TO THE WELDING ARC PULSES OF CURRENT WHICH ARE SPACED
Claim 2
Dependent Claim
89 words
IN THE PRACTICE OF HIGH CURRENT DENSITY ARC WELDING WHEREIN AT WELDING CURRENT VALUES ABOVE A TRANSITION VALUE THE MOLTEN DROPS OF METAL RELEASED FROM A CONSUMABLE METAL ELECTRODE SUDDENLY INCREASE IN NUMBER WITH A CONCURRENT REDUCTION IN THEIR SIZE TO PRODUCE AN AXIAL SPRAY TRANSFER OF METAL FROM THE ELECTRODE TO A WORKPIECE, THE METHOD OF OBTAINING THE CHARACTERISTICS OF SAID HIGH CURRENT DENSITY ARC WELDING AT LOW AVERAGE WELDING CURRENT VALUES WHICH COMPRISES SUPPLYING THROUGH SAID ELECTRODE TO THE WELDING ARC PULSES OF CURRENT WHICH ARE SPACED
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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) | 1965-12-31 | 1966-07-02 | 1967-01-01 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1969-12-31 | 1970-07-02 | 1971-01-01 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1973-12-31 | 1974-07-02 | 1975-01-01 | $7700.00 | Window Closed / Lapsed |