US3353060A
Expired / Lapsed
US
⏱️ 0.0 years remaining
High-frequency discharge plasma generator with an auxiliary electrode
Assignee: Hitachi Ltd
•
Filing: 1965-11-18
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Granted: 1967-11-14
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Expires: 1985-11-18
Abstract
No abstract record available.
Inventors
- 👤 Yamamoto Manabu
- 👤 Murayama Seiichi
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-01 04:03
CPC Classifications
H; H05; H05H; H05H1/00; H05H1/24; H05H1/26; H05H1/30
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
107 words
IN A HIGH-FREQUENCY DISCHARGE PLASMA GENERATOR OF THE TYPE WHICH HAS A HIGH-FREQUENCY POWER SOURCE, A COAXIAL DISCHARGE VESSEL COMPRISING A COAXIAL WAVEGUIDE WITH AT LEAST ONE END THEREOF OPEN TO THE ATMOSPHERE AND AN INNER CONDUCTOR WITH A TIP CONSTITUTING A DISCHARGE ELECTRODE AT THE OPEN END OF SAID COAXIAL WAVEGUIDE, AND A WAVEGUIDE FOR TRANSMITTING HIGH-FREQUENCY POWER FROM THE HIGH-FREQUENCY POWER SOURCE INTO THE COAXIAL DISCHARGE VESSEL, THE HIGH-FREQUENCY POWER FROM THE HIGHFREQUENCY POWER SOURCE BEING SUPPLIED THROUGH A HIGHFREQUENCY POWER SUPPLY PATH FORMED BY SAID WAVEGUIDE AND THE COAXIAL DISCHARGE VESSEL TO THE TIP OF SAID DISCHARGE ELECTRODE THEREBY TO FORM A HIGH-FREQUENCY DIS-
Claim 2
Dependent Claim
107 words
IN A HIGH-FREQUENCY DISCHARGE PLASMA GENERATOR OF THE TYPE WHICH HAS A HIGH-FREQUENCY POWER SOURCE, A COAXIAL DISCHARGE VESSEL COMPRISING A COAXIAL WAVEGUIDE WITH AT LEAST ONE END THEREOF OPEN TO THE ATMOSPHERE AND AN INNER CONDUCTOR WITH A TIP CONSTITUTING A DISCHARGE ELECTRODE AT THE OPEN END OF SAID COAXIAL WAVEGUIDE, AND A WAVEGUIDE FOR TRANSMITTING HIGH-FREQUENCY POWER FROM THE HIGH-FREQUENCY POWER SOURCE INTO THE COAXIAL DISCHARGE VESSEL, THE HIGH-FREQUENCY POWER FROM THE HIGHFREQUENCY POWER SOURCE BEING SUPPLIED THROUGH A HIGHFREQUENCY POWER SUPPLY PATH FORMED BY SAID WAVEGUIDE AND THE COAXIAL DISCHARGE VESSEL TO THE TIP OF SAID DISCHARGE ELECTRODE THEREBY TO FORM A HIGH-FREQUENCY DIS-
References Cited (Backward Citations)
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US3173248A
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USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1970-11-13 | 1971-05-15 | 1971-11-14 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1974-11-13 | 1975-05-15 | 1975-11-14 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1978-11-13 | 1979-05-15 | 1979-11-14 | $7700.00 | Window Closed / Lapsed |