Patent US3462622A successfully refreshed from Google Patents.
US3462622A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Plasma energy extraction
Assignee: Xerox Corp
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Filing: 1966-04-27
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Granted: 1969-08-19
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Expires: 1986-04-27
Abstract
No abstract record available.
Inventors
- 👤 Gordon L Cann
- 👤 Robert L Harder
- 👤 Paul F Jacobs
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-01 18:32
CPC Classifications
H; H05; H05H; H05H1/00; H05H1/02; H05H1/16
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
137 words
IN A PLASMA CONTAINMENT APPARATUS COMPRISING A CHAMBER, MEANS TO EVACUATE SAID CHAMBER, MAGNETIC MEANS TO FORM A LONGITUDINALLY CONTINUOUS MAGNETIC FIELD ALONG A LINE WITHIN SAID CHAMBER, AT LEAST ONE PLASMA ARC GENERATOR DISPOSED WITHIN SAID MAGNETIC FIELD ON SAID LINE AND SUBSTANTIALLY SYMMETRICAL THEREABOUT, SAID GENERATOR COMPRISING A CENTRAL CATHODE ELECTRODE AND AN ANODE ELECTRODE ENCIRCLING SAID CATHODE, SAID GENERATOR INCLUDING AT LEAST ONE PASSAGE TERMINATING BETWEEN SAID CATHODE AND ANODE, GAS SUPPLY MEANS TO INTRODUCE A PLASMA FORMING GAS THROUGH SAID PASSAGE, AND POWER SUPPLY MEANS TO MAINTAIN AN ARC DISCHARGE BETWEEN SAID ANODE AND SAID CATHODE, A METHOD OF EXTRACTING ELECTRICAL ENERGY FROM THE PLASMA COLUMN COMPRISING: INTERCEPTING WITH AN ELECTRODE PLASMA AT A POTENTIAL HIGHER THAN THAT OF SAID ANODE AND CONNECTING AN ELECTRICAL LOAD DEVICE BETWEEN SAID ELECTRODE AND SAID ANODE.
Claim 2
Dependent Claim
137 words
IN A PLASMA CONTAINMENT APPARATUS COMPRISING A CHAMBER, MEANS TO EVACUATE SAID CHAMBER, MAGNETIC MEANS TO FORM A LONGITUDINALLY CONTINUOUS MAGNETIC FIELD ALONG A LINE WITHIN SAID CHAMBER, AT LEAST ONE PLASMA ARC GENERATOR DISPOSED WITHIN SAID MAGNETIC FIELD ON SAID LINE AND SUBSTANTIALLY SYMMETRICAL THEREABOUT, SAID GENERATOR COMPRISING A CENTRAL CATHODE ELECTRODE AND AN ANODE ELECTRODE ENCIRCLING SAID CATHODE, SAID GENERATOR INCLUDING AT LEAST ONE PASSAGE TERMINATING BETWEEN SAID CATHODE AND ANODE, GAS SUPPLY MEANS TO INTRODUCE A PLASMA FORMING GAS THROUGH SAID PASSAGE, AND POWER SUPPLY MEANS TO MAINTAIN AN ARC DISCHARGE BETWEEN SAID ANODE AND SAID CATHODE, A METHOD OF EXTRACTING ELECTRICAL ENERGY FROM THE PLASMA COLUMN COMPRISING: INTERCEPTING WITH AN ELECTRODE PLASMA AT A POTENTIAL HIGHER THAN THAT OF SAID ANODE AND CONNECTING AN ELECTRICAL LOAD DEVICE BETWEEN SAID ELECTRODE AND SAID ANODE.
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) | 1972-08-18 | 1973-02-17 | 1973-08-19 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1976-08-18 | 1977-02-17 | 1977-08-19 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1980-08-18 | 1981-02-17 | 1981-08-19 | $7700.00 | Window Closed / Lapsed |