Patent US3254193A successfully refreshed from Google Patents.
US3254193A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Arc-welding means
Assignee: PULSE ARC WELDER CO
•
Filing: 1963-02-19
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Granted: 1966-05-31
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Expires: 1983-02-19
Abstract
No abstract record available.
Inventors
- 👤 Delbert L Phillips
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-02 22:53
CPC Classifications
B; B23; B23K; B23K9/00; B23K9/10; B23K9/1081; B23K11/00; B23K11/04; B23K11/043; B23K11/24; B23K11/26
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
143 words
A DEVICE OF THE CLASS DESCRIBED FOR DISCHARGING AN ELECTRICAL ARC ACROSS THE SPACE BETWEEN A PAIR OF WORKPIECES, INCLUDING: FIRST MEANS OPERATIVELY COUPLED TO SAID WORKPIECES FOR POSITIONING ONE OF SAID WORKPIECES ADJACENT THE OTHER OF SAID WORKPIECES, ENERGY STORAGE MEANS CONNECTED TO SAID WORKPIECES FOR STORING A PREDETERMINED AMOUNT OF ENERGY AT A VOLTAGE INSUFFICIENT TO CAUSE STRIKING OF AN ARC WHEN SAID WORKPIECE ARE POSITIONED BY SAID FIRST MEANS, SECOND MEANS ELECTRICALLY INTERCONNECTED WITH SAID WORKPIECES FOR STRIKING AN INITIAL ELECTRICAL ARC BETWEEN THE ADJACENT SURFACES OF SAID WORKPIECES SO THAT SAID STORED ENERGY DISCHARGES INTO SAID INITIAL ARC TO FORM A CONTINUATION ARC, AND MEANS OPERATIVELY CONNECTED TO SAID FIRST MEANS, BEING CONCURRENTLY OPERATED WITH SAID SECOND MEANS, AND BEING ELECTRICALLY CONNECTED TO ENERGIZED BY SAID STORAGE MEANS, TO MOVE SAID WORKPIECES INTO ENGAGEMENT THERWBY COVERING A PREDETERMINED DISTANCE.
Claim 2
Independent Claim
143 words
A DEVICE OF THE CLASS DESCRIBED FOR DISCHARGING AN ELECTRICAL ARC ACROSS THE SPACE BETWEEN A PAIR OF WORKPIECES, INCLUDING: FIRST MEANS OPERATIVELY COUPLED TO SAID WORKPIECES FOR POSITIONING ONE OF SAID WORKPIECES ADJACENT THE OTHER OF SAID WORKPIECES, ENERGY STORAGE MEANS CONNECTED TO SAID WORKPIECES FOR STORING A PREDETERMINED AMOUNT OF ENERGY AT A VOLTAGE INSUFFICIENT TO CAUSE STRIKING OF AN ARC WHEN SAID WORKPIECE ARE POSITIONED BY SAID FIRST MEANS, SECOND MEANS ELECTRICALLY INTERCONNECTED WITH SAID WORKPIECES FOR STRIKING AN INITIAL ELECTRICAL ARC BETWEEN THE ADJACENT SURFACES OF SAID WORKPIECES SO THAT SAID STORED ENERGY DISCHARGES INTO SAID INITIAL ARC TO FORM A CONTINUATION ARC, AND MEANS OPERATIVELY CONNECTED TO SAID FIRST MEANS, BEING CONCURRENTLY OPERATED WITH SAID SECOND MEANS, AND BEING ELECTRICALLY CONNECTED TO ENERGIZED BY SAID STORAGE MEANS, TO MOVE SAID WORKPIECES INTO ENGAGEMENT THERWBY COVERING A PREDETERMINED DISTANCE.
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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) | 1969-05-30 | 1969-11-29 | 1970-05-31 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1973-05-30 | 1973-11-29 | 1974-05-31 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1977-05-30 | 1977-11-29 | 1978-05-31 | $7700.00 | Window Closed / Lapsed |