Patent US3194941A successfully refreshed from Google Patents.
US3194941A
Expired / Lapsed
US
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High voltage arc plasma generator
Assignee: Union Carbide Corp
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Filing: 1962-09-13
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Granted: 1965-07-13
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Expires: 1982-09-13
Abstract
No abstract record available.
Inventors
- 👤 Robert J Baird
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-31 19:00
CPC Classifications
H; H05; H05H; H05H1/00; H05H1/24; H05H1/26; H05H1/32; H05H1/34; H05H1/3478; H05H1/3431
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
83 words
APPARATUS FOR PRODUCING A HIGH-VOLTAGE HIGH-TEMPERATURE ARC PLASMA BETWEEN SUCH APPARATUS AND A METAL CONNECTED IN ARC CIRCUIT RELATION THEREWITH WHICH COMPRISES A CUP-SHAPED ELECTRODE, A GAS-DIRECTING NOZZLE HAVING A L/I.D. OF AT LEAST ABOUT 1.2, SAID NOZZLE BEING IN AXIAL ALIGNMENT WITH BUT SPACED FROM SAID CUP-SHAPED ELECTRODE, A CHAMBER SURROUNDING THE SPACE BETWEEN SAID CUP-SHAPED ELECTRODE AND NOZZLE AND HAVING MEANS FOR INTRODUCING AN ARC GAS INTO SUCH CHAMBER TO PRODUCE A VORTICAL FLOW IN SUCH CHAMBER AND SAID GAS-DIRECTING NOZZLE.
Claim 2
Dependent Claim
83 words
APPARATUS FOR PRODUCING A HIGH-VOLTAGE HIGH-TEMPERATURE ARC PLASMA BETWEEN SUCH APPARATUS AND A METAL CONNECTED IN ARC CIRCUIT RELATION THEREWITH WHICH COMPRISES A CUP-SHAPED ELECTRODE, A GAS-DIRECTING NOZZLE HAVING A L/I.D. OF AT LEAST ABOUT 1.2, SAID NOZZLE BEING IN AXIAL ALIGNMENT WITH BUT SPACED FROM SAID CUP-SHAPED ELECTRODE, A CHAMBER SURROUNDING THE SPACE BETWEEN SAID CUP-SHAPED ELECTRODE AND NOZZLE AND HAVING MEANS FOR INTRODUCING AN ARC GAS INTO SUCH CHAMBER TO PRODUCE A VORTICAL FLOW IN SUCH CHAMBER AND SAID GAS-DIRECTING NOZZLE.
References Cited (Backward Citations)
US3118046A
Cited
US3131288A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1968-07-12 | 1969-01-11 | 1969-07-13 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1972-07-12 | 1973-01-11 | 1973-07-13 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1976-07-12 | 1977-01-11 | 1977-07-13 | $7700.00 | Window Closed / Lapsed |