Patent US3264508A successfully refreshed from Google Patents.
US3264508A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Plasma torch
Assignee: Individual
•
Filing: 1962-06-27
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Granted: 1966-08-02
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Expires: 1982-06-27
Abstract
No abstract record available.
Inventors
- 👤 Lai William
- 👤 Ernest G Chilton
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-23 09:25
CPC Classifications
H; H05; H05H; H05H1/00; H05H1/24; H05H1/26; H05H1/30
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
103 words
A RADIOFREQUENCY PLASMA TORCH COMPRISING A FIRST TUBE HAVING AN ADMITTING OPENING AT ONE END AND AN EMITTING OPENING AT THE OTHER END, A SECOND TUBE HAVING A DIAMETER SMALLER THAN SAID FIRST TUBE, MEANS FOR SUPPORTING SAID SECOND TUBE COAXIALLY WITH SAID FIRST TUBE, AND PARTIALLY EXTENDING THEREINTO THROUGH SAID ADMITTING OPENING THEREOF, A SOURCE OF IONIZABLE GAS, MEANS FOR APPLYING GAS FROM SAID SOURCE INTO SAID FIRST TUBE THROUGH THE SPACE BETWEEN THE WALLS OF SAID FIRST AND SECOND TUBE TO GIVE SAID GAS A STRAIGHT, AXIAL VELOCITY AS IT PASSES ALONG SAID FIRST TUBE TOWARD SAID EMITTING OPENING, MEANS FOR
Claim 2
Dependent Claim
103 words
A RADIOFREQUENCY PLASMA TORCH COMPRISING A FIRST TUBE HAVING AN ADMITTING OPENING AT ONE END AND AN EMITTING OPENING AT THE OTHER END, A SECOND TUBE HAVING A DIAMETER SMALLER THAN SAID FIRST TUBE, MEANS FOR SUPPORTING SAID SECOND TUBE COAXIALLY WITH SAID FIRST TUBE, AND PARTIALLY EXTENDING THEREINTO THROUGH SAID ADMITTING OPENING THEREOF, A SOURCE OF IONIZABLE GAS, MEANS FOR APPLYING GAS FROM SAID SOURCE INTO SAID FIRST TUBE THROUGH THE SPACE BETWEEN THE WALLS OF SAID FIRST AND SECOND TUBE TO GIVE SAID GAS A STRAIGHT, AXIAL VELOCITY AS IT PASSES ALONG SAID FIRST TUBE TOWARD SAID EMITTING OPENING, MEANS FOR
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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) | 1969-08-01 | 1970-01-31 | 1970-08-02 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1973-08-01 | 1974-01-31 | 1974-08-02 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1977-08-01 | 1978-01-31 | 1978-08-02 | $7700.00 | Window Closed / Lapsed |