US3158729A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Plasma torch
Assignee: Individual
•
Filing: 1962-01-26
•
Granted: 1964-11-24
•
Expires: 1982-01-26
Abstract
No abstract record available.
Inventors
- 👤 Gross Jence
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-22 22:03
CPC Classifications
H; H05; H05H; H05H1/00; H05H1/24; H05H1/26; H05H1/30
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
67 words
A PLASMA TORCH COMPRISING AN ELECTRICALLY CONDUCTING METALLIC ROD, GAS SOURCE MEANS FOR EFFECTING A FLOW OF INERT GAS AXIALLY THEREOF AND SURROUNDING SAID ROD, AND ELECTRICAL MEANS FOR PROVIDING A HIGH FREQUENCY MAGNETIC FIELD IN SAID ROD OF AN INTENSITY SUFFICIENT TO EFFECT VIBRATION THEREOF TO AN EXTENT TO IONIZE AN INERT GAS FLOWING IN CONTIGUITY WITH SAID ROD AND TO EFFECT A HEAT MANIFESTATION THEREOF.
Claim 2
Dependent Claim
67 words
A PLASMA TORCH COMPRISING AN ELECTRICALLY CONDUCTING METALLIC ROD, GAS SOURCE MEANS FOR EFFECTING A FLOW OF INERT GAS AXIALLY THEREOF AND SURROUNDING SAID ROD, AND ELECTRICAL MEANS FOR PROVIDING A HIGH FREQUENCY MAGNETIC FIELD IN SAID ROD OF AN INTENSITY SUFFICIENT TO EFFECT VIBRATION THEREOF TO AN EXTENT TO IONIZE AN INERT GAS FLOWING IN CONTIGUITY WITH SAID ROD AND TO EFFECT A HEAT MANIFESTATION THEREOF.
References Cited (Backward Citations)
US2220545A
Cited
US2506626A
Cited
US2587331A
Cited
US2521740A
Cited
US2652475A
Cited
US2811624A
Cited
US2922890A
Cited
US2943174A
Cited
US2919370A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1967-11-24 | 1968-05-25 | 1968-11-24 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1971-11-24 | 1972-05-25 | 1972-11-24 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1975-11-24 | 1976-05-25 | 1976-11-24 | $7700.00 | Window Closed / Lapsed |