US3171010A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Electric arc torch
Assignee: Victor Equipment Co
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Filing: 1962-09-06
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Granted: 1965-02-23
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Expires: 1982-09-06
Abstract
No abstract record available.
Inventors
- 👤 Charles C Potter
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-29 16:22
CPC Classifications
H; H05; H05H; H05H1/00; H05H1/24; H05H1/26; H05H1/32; H05H1/34; H05H1/3468
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
77 words
IN AN ELECTRIC ARC TORCH, AT LEAST ONE ELECTRODE, AN ARC PASSAGE EXTENDING FROM SAID ELECTRODE, AND TERMINATING IN A NOZZLE OPENING, MEANS FOR ESTABLISHING AN ARC FROM SAID ELECTRODE, INTO SAID PASSAGE, MEANS FOR INTRODUCING ARC STABILIZING GAS TANGENTIALLY INTO SAID PASSAGE IN THE REGION OF SAID ELECTRODE TO FORM A VORTEX, AND MEANS FOR INTRODUCING TANGENTIALLY A SECOND GAS AT THE NOZZLE REGION OF SAID PASSAGE IN A DIRECTION OPPOSITE IN SENSE TO SAID VORTEX.
Claim 2
Dependent Claim
77 words
IN AN ELECTRIC ARC TORCH, AT LEAST ONE ELECTRODE, AN ARC PASSAGE EXTENDING FROM SAID ELECTRODE, AND TERMINATING IN A NOZZLE OPENING, MEANS FOR ESTABLISHING AN ARC FROM SAID ELECTRODE, INTO SAID PASSAGE, MEANS FOR INTRODUCING ARC STABILIZING GAS TANGENTIALLY INTO SAID PASSAGE IN THE REGION OF SAID ELECTRODE TO FORM A VORTEX, AND MEANS FOR INTRODUCING TANGENTIALLY A SECOND GAS AT THE NOZZLE REGION OF SAID PASSAGE IN A DIRECTION OPPOSITE IN SENSE TO SAID VORTEX.
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) | 1968-02-23 | 1968-08-24 | 1969-02-23 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1972-02-23 | 1972-08-24 | 1973-02-23 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1976-02-23 | 1976-08-24 | 1977-02-23 | $7700.00 | Window Closed / Lapsed |