US3344256A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Method for producing arcs
Assignee: —
•
Filing: —
•
Granted: 1967-09-26
•
Expires: 1984-09-26
Abstract
No abstract record available.
Inventors
No inventors recorded.
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-26 22:50
CPC Classifications
H; H05; H05H; H05H1/00; H05H1/24; H05H1/26; H05H1/32
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
82 words
A METHOD FOR PRODUCING AT LEAST ONE ARC WHICH COMPRISES ESTABLISHING A FIRST ARC BETWEEN SAID ELECTRODES, PASSING AN ARC GAS INTO THE ESTABLISHED ARC TO FORM AT LEAST PART OF THE ARC PLASMA BETWEEN SAID ELECTRODES, STRIKING AT LEAST ONE SECOND ARC BETWEEN THE ARC PLASMA OF THE FIRST ARC AS ONE ELECTRODE AND A DIFFERENT WORKPIECE ELECTRODE, DIRECTING AT LEAST ONE GAS JET AGAINST SAID SECOND ARC TO PROVIDE SAID SECOND ARC AT A PARTICULAR POINT ON SAID DIFFERENT WORKPIECE.
Claim 2
Independent Claim
82 words
A METHOD FOR PRODUCING AT LEAST ONE ARC WHICH COMPRISES ESTABLISHING A FIRST ARC BETWEEN SAID ELECTRODES, PASSING AN ARC GAS INTO THE ESTABLISHED ARC TO FORM AT LEAST PART OF THE ARC PLASMA BETWEEN SAID ELECTRODES, STRIKING AT LEAST ONE SECOND ARC BETWEEN THE ARC PLASMA OF THE FIRST ARC AS ONE ELECTRODE AND A DIFFERENT WORKPIECE ELECTRODE, DIRECTING AT LEAST ONE GAS JET AGAINST SAID SECOND ARC TO PROVIDE SAID SECOND ARC AT A PARTICULAR POINT ON SAID DIFFERENT WORKPIECE.
References Cited (Backward Citations)
US3153133A
Cited
US3149222A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1970-09-25 | 1971-03-27 | 1971-09-26 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1974-09-25 | 1975-03-27 | 1975-09-26 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1978-09-25 | 1979-03-27 | 1979-09-26 | $7700.00 | Window Closed / Lapsed |