Patent US3204075A successfully refreshed from Google Patents.
US3204075A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Electric arc torch
Assignee: Victor Equipment Co
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Filing: 1962-10-04
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Granted: 1965-08-31
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Expires: 1982-10-04
Abstract
No abstract record available.
Inventors
- 👤 James A Browning
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-25 13:30
CPC Classifications
B; B23; B23K; B23K10/00; H; H05; H05H; H05H1/00; H05H1/24; H05H1/26
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
85 words
AN ELECTRIC ARC TORCH ADAPTED TO CUT A WORKPIECE COMPRISING AN ELECTRODE; A NOZZLE HAVING AN ARC PASSAGEWAY EXTENDING FROM SAID ELECTRODE; ELECTRICAL POWER MEANS FOR ESTABLISHING AN ARC FROM SAID ELECTRODE; MEANS PROVIDING A PASMA-FORMING GAS STREAM UNDER PRESSURE INTO SAID NOZZLE TO STABILIZE AND CARRY SAID ARC THROUGH SAID PASSAGEWEAY TOGETHER WITH SAID STREAM AND AGAINST SAID WORKPIECE; AND MEANS PROVIDING A STREAM OF REACTIVE GAS AGAINST SAID WORKPIECE IN A DIRECTION GENERALLY PARALLEL TO THE AXIS OF SAID PASSAGEWAY AND DISPLACED THEREFROM,
Claim 2
Dependent Claim
85 words
AN ELECTRIC ARC TORCH ADAPTED TO CUT A WORKPIECE COMPRISING AN ELECTRODE; A NOZZLE HAVING AN ARC PASSAGEWAY EXTENDING FROM SAID ELECTRODE; ELECTRICAL POWER MEANS FOR ESTABLISHING AN ARC FROM SAID ELECTRODE; MEANS PROVIDING A PASMA-FORMING GAS STREAM UNDER PRESSURE INTO SAID NOZZLE TO STABILIZE AND CARRY SAID ARC THROUGH SAID PASSAGEWEAY TOGETHER WITH SAID STREAM AND AGAINST SAID WORKPIECE; AND MEANS PROVIDING A STREAM OF REACTIVE GAS AGAINST SAID WORKPIECE IN A DIRECTION GENERALLY PARALLEL TO THE AXIS OF SAID PASSAGEWAY AND DISPLACED THEREFROM,
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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) | 1968-08-30 | 1969-03-01 | 1969-08-31 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1972-08-30 | 1973-03-01 | 1973-08-31 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1976-08-30 | 1977-03-01 | 1977-08-31 | $7700.00 | Window Closed / Lapsed |