US3328637A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Alternating current arc power source
Assignee: ALLOY RODS Inc KAREN LANE & WILSON AVE A CORP OF
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Filing: 1965-02-11
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Granted: 1967-06-27
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Expires: 1985-02-11
Abstract
No abstract record available.
Inventors
- 👤 Bernard J Aldenhoff
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-28 12:43
CPC Classifications
B; B23; B23K; B23K9/00; B23K9/06; B23K9/073; B23K9/0738
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
171 words
AN ARC CURRENT SUPPLY SYSTEM FOR ESTABLISHING AND MAINTAINING AN ALTERNATING CURRENT ARC, COMPRISING AN ARC POWER TRANSFORMER TO PROVIDE AN ALTERNATING CURRENT TO AN ARC AT A SELECTED VOLTAGE, POWER LINES CONNECTED TO THE TRANSFORMER AND ADAPTED TO BE CONNECTED TO ARC TERMINALS FOR SUPPLYING ALTERNATING CURRENT TO AN ARC, A PAIR OF SURGE STABILIZING CIRCUITS EACH OF WHICH INCLUDES A PULSE CAPACITOR IN SERIES WITH A SOLID STATE SWITCHING MEANS TO CONTROL DISCHARGE OF SAID PULSE CAPACITOR TO THE ARC, SAID SURGE STABILIZING CIRCUITS EACH CONNECTED IN SERIES WITH THE ARC AND IN PARALLEL WITH THE ARC POWER TRANSFORMER, EACH OF SAID SURGE STABILIZING CIRCUITS BEING ADAPTED TO CONDUCT A PULSE OF HIGH VOLTAGE CURRENT TO THE ARC DURING THE BEGINNING PERIOD OF EACH SUCCESSIVE HALF CYCLE OF ALTERNATING CURRENT SUPPLIED BY SAID ARC POWER TRANSFORMER TO SAID ARC TO FACILITATE ARC REIGNITION DURING WELDING, MEANS TO CHARGE SAID CAPACITORS WITH OPPOSITE POLARITIES, EACH CAPACITOR BEING CHARGED DURING THE HALF CYCLE THE OPPOSITE CAPACITOR IS BEING DISCHARGED AT, AND
Claim 2
Dependent Claim
171 words
AN ARC CURRENT SUPPLY SYSTEM FOR ESTABLISHING AND MAINTAINING AN ALTERNATING CURRENT ARC, COMPRISING AN ARC POWER TRANSFORMER TO PROVIDE AN ALTERNATING CURRENT TO AN ARC AT A SELECTED VOLTAGE, POWER LINES CONNECTED TO THE TRANSFORMER AND ADAPTED TO BE CONNECTED TO ARC TERMINALS FOR SUPPLYING ALTERNATING CURRENT TO AN ARC, A PAIR OF SURGE STABILIZING CIRCUITS EACH OF WHICH INCLUDES A PULSE CAPACITOR IN SERIES WITH A SOLID STATE SWITCHING MEANS TO CONTROL DISCHARGE OF SAID PULSE CAPACITOR TO THE ARC, SAID SURGE STABILIZING CIRCUITS EACH CONNECTED IN SERIES WITH THE ARC AND IN PARALLEL WITH THE ARC POWER TRANSFORMER, EACH OF SAID SURGE STABILIZING CIRCUITS BEING ADAPTED TO CONDUCT A PULSE OF HIGH VOLTAGE CURRENT TO THE ARC DURING THE BEGINNING PERIOD OF EACH SUCCESSIVE HALF CYCLE OF ALTERNATING CURRENT SUPPLIED BY SAID ARC POWER TRANSFORMER TO SAID ARC TO FACILITATE ARC REIGNITION DURING WELDING, MEANS TO CHARGE SAID CAPACITORS WITH OPPOSITE POLARITIES, EACH CAPACITOR BEING CHARGED DURING THE HALF CYCLE THE OPPOSITE CAPACITOR IS BEING DISCHARGED AT, AND
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) | 1970-06-26 | 1970-12-26 | 1971-06-27 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1974-06-26 | 1974-12-26 | 1975-06-27 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1978-06-26 | 1978-12-26 | 1979-06-27 | $7700.00 | Window Closed / Lapsed |