Patent US3102946A successfully refreshed from Google Patents.
US3102946A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Electric arc torch
Assignee: Individual
•
Filing: 1961-07-24
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Granted: 1963-09-03
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Expires: 1981-07-24
Abstract
No abstract record available.
Inventors
- 👤 Fonberg Zygmunt
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-25 04:07
CPC Classifications
H; H05; H05H; H05H1/00; H05H1/24; H05H1/26; H05H1/32; H05H1/34; H05H1/40; H05H1/3421
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
49 words
IN AN ELECTRIC ARC TORCH HAVING A FIRST ELECTRODE IN SPACED RELATION TO A NOZZLE, MEANS FOR ESTABLISHING AN ELECTRIC ARC FROM SAID FIRST ELECTRODE THROUGH SAID NOZZLE TO A WORKPIECE, AND MEANS FOR GENERATING A MAGNETIC FIELD WITH FLUX LINES LYING PARALLEL TO THE AXIS OF SAID NOZZLE.
Claim 2
Dependent Claim
49 words
IN AN ELECTRIC ARC TORCH HAVING A FIRST ELECTRODE IN SPACED RELATION TO A NOZZLE, MEANS FOR ESTABLISHING AN ELECTRIC ARC FROM SAID FIRST ELECTRODE THROUGH SAID NOZZLE TO A WORKPIECE, AND MEANS FOR GENERATING A MAGNETIC FIELD WITH FLUX LINES LYING PARALLEL TO THE AXIS OF SAID NOZZLE.
References Cited (Backward Citations)
US510777A
Cited
US1740381A
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US1921572A
Cited
US2428849A
Cited
FR1201825A
Cited
US2944140A
Cited
US2945119A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1966-09-02 | 1967-03-04 | 1967-09-03 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1970-09-02 | 1971-03-04 | 1971-09-03 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1974-09-02 | 1975-03-04 | 1975-09-03 | $7700.00 | Window Closed / Lapsed |