US3370198A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Plasma accelerator having a cooled preionization chamber
Assignee: Individual
•
Filing: 1967-06-21
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Granted: 1968-02-20
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Expires: 1987-06-21
Abstract
No abstract record available.
Inventors
- 👤 Kenneth C Rogers
- 👤 Donald R Simon
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-25 23:00
CPC Classifications
H; H05; H05H; H05H1/00; H05H1/24; H05H1/52
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
210 words
A PLASMA ACCELERATOR COMPRISING A FIRST ELECTRODE HAVING A FIRST SURFACE, A SECOND ELECTRODE HAVING A A SECOND SURFACE SPACED FROM THE FIRST ELECTRODE SURFACE TO FORM A PREIONIZATION CHAMBER, MEAND FOR COOLING AT LEAST ONE OF THE FIRST AND SECOND ELECTRODE SURFACES, MEANS FOR INTRODUCING A VAPORIZED MATERIAL TO BE ACCELERATED INTO THE PREIONIZATION CHAMBER BETWEEN THE FIRST AND SECOND ELECTRODE SURFACES TO CONDENSE AND DEPOSITE THE THE MATERIAL ON AT LEAST THE COOLED ELECTRODE SURFACE, A THIRD ELECTRODE SPACED FROM AND COOPERATING WITH SAID FIRST AND SECOND ELECTRODES, MEANS FOR ESTABLISHING A FIRST ELECTRICAL POTENTIAL TO PROVIDE A FIRST ARC DISCHARGE BETWEEN SAID FIRST AND SECOND ELECTRODE SURFACES FOR VAPORIZING AND PREIONIZING THE MATERIAL DEPOSITED ON THE COOLED ELECTRODE SURFACE AND FOR PREIONIZING THE VAPORIZED MATERIAL IN THE PREIONIZATION CHAMBER, THE FIRST ARC DISCHARGE NARROWING THE ELECTRICAL GAP BETWEEN THE THIRD ELECTRODE AND AT LEAST ONE OF THE FIRST AND SECOND ELECTRODES AND PROPELLING THE PREIONIZED MATERIAL INTO SAID GAP, AND MEANS FOR ESTABLISHING A SECOND ELECTRICAL POTENTIAL TO PROVIDE A SECOND ARC DISCHARGE WHEN THE FIRST ARC DISCHARGE SUFFICIENTLY NARROWS THE GAP BETWEEN THE THIRD ELECTRODE AND AT LEAST ONE OF SAID FIRST AND SECOND ELECTRODES, THE SECOND ARC DISCHARGE ACCELERATING THE PREIONIZED MATERIAL FROM SAID ELECTRODES.
Claim 2
Dependent Claim
210 words
A PLASMA ACCELERATOR COMPRISING A FIRST ELECTRODE HAVING A FIRST SURFACE, A SECOND ELECTRODE HAVING A A SECOND SURFACE SPACED FROM THE FIRST ELECTRODE SURFACE TO FORM A PREIONIZATION CHAMBER, MEAND FOR COOLING AT LEAST ONE OF THE FIRST AND SECOND ELECTRODE SURFACES, MEANS FOR INTRODUCING A VAPORIZED MATERIAL TO BE ACCELERATED INTO THE PREIONIZATION CHAMBER BETWEEN THE FIRST AND SECOND ELECTRODE SURFACES TO CONDENSE AND DEPOSITE THE THE MATERIAL ON AT LEAST THE COOLED ELECTRODE SURFACE, A THIRD ELECTRODE SPACED FROM AND COOPERATING WITH SAID FIRST AND SECOND ELECTRODES, MEANS FOR ESTABLISHING A FIRST ELECTRICAL POTENTIAL TO PROVIDE A FIRST ARC DISCHARGE BETWEEN SAID FIRST AND SECOND ELECTRODE SURFACES FOR VAPORIZING AND PREIONIZING THE MATERIAL DEPOSITED ON THE COOLED ELECTRODE SURFACE AND FOR PREIONIZING THE VAPORIZED MATERIAL IN THE PREIONIZATION CHAMBER, THE FIRST ARC DISCHARGE NARROWING THE ELECTRICAL GAP BETWEEN THE THIRD ELECTRODE AND AT LEAST ONE OF THE FIRST AND SECOND ELECTRODES AND PROPELLING THE PREIONIZED MATERIAL INTO SAID GAP, AND MEANS FOR ESTABLISHING A SECOND ELECTRICAL POTENTIAL TO PROVIDE A SECOND ARC DISCHARGE WHEN THE FIRST ARC DISCHARGE SUFFICIENTLY NARROWS THE GAP BETWEEN THE THIRD ELECTRODE AND AT LEAST ONE OF SAID FIRST AND SECOND ELECTRODES, THE SECOND ARC DISCHARGE ACCELERATING THE PREIONIZED MATERIAL FROM SAID ELECTRODES.
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) | 1971-02-19 | 1971-08-21 | 1972-02-20 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1975-02-19 | 1975-08-21 | 1976-02-20 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1979-02-19 | 1979-08-21 | 1980-02-20 | $7700.00 | Window Closed / Lapsed |