Patent US2919370A successfully refreshed from Google Patents.
US2919370A
Expired / Lapsed
US
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Electrodeless plasma torch and method
Assignee: Plasmadyne Corp
•
Filing: 1958-10-28
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Granted: 1959-12-29
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Expires: 1978-10-28
Abstract
No abstract record available.
Inventors
- 👤 Gabriel M Giannini
- 👤 Vernon H Blackman
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-23 20:09
CPC Classifications
H; H05; H05H; H05H1/00; H05H1/24; H05H1/26
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US1698691A
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US2030057A
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US2670649A
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US2831134A
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US2817032A
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US2798181A
Cited
US2836750A
Cited
US2826709A
Cited
US2826708A
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US2819423A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1962-12-28 | 1963-06-29 | 1963-12-29 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1966-12-28 | 1967-06-29 | 1967-12-29 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1970-12-28 | 1971-06-29 | 1971-12-29 | $7700.00 | Window Closed / Lapsed |