US3356897A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Arc plasma generator with starter
Assignee: Individual
•
Filing: 1965-01-18
•
Granted: 1967-12-05
•
Expires: 1985-01-18
Abstract
No abstract record available.
Inventors
- 👤 Jr Thomas A Barr
- 👤 Robert F Mayo
- 👤 Thomas G Roberts
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-28 20:54
CPC Classifications
H; H05; H05H; H05H1/00; H05H1/24; H05H1/48; H01; H01T; H01T2/00; H01T2/02; H05H1/26; H05H1/32; H05H1/34; H05H1/36
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
112 words
AN ARC PLASMA GENERATOR HAVING A HOUSING WITH A FIRST SPACE THEREIN; A CENTRALLY DISPOSED ELECTRODE PENETRATING SAID SPACE, BUT INSULATED FROM SAID HOUSING; A FIRST HIGH VOLTAGE SOURCE HAVING A FIRST GROUND TERMINAL, CONNECTED TO SAID HOUSING AND A FIRST HIGH VOLTAGE TERMINAL, CONNECTED TO SAID ELECTRODE, A STARTING DEVICE HAVING AN OUTER ELECTRODE WITH A SECOND SPACE THEREWITH, AND AN INNER ELECTRODE PENETRATING SAID SECOND SPACE, BUT INSULATED FROM SAID OUTER ELECTRODE; SAID OTHER ELECTRODE CONNECTED TO SAID HOUSING, WITH A PASSAGEWAY BETWEEN SAID SPACES; A SECOND HIGH VOLTAGE SOURCE HAVING A SECOND GROUND TERMINAL, CONNECTED TO SAID HOUSING AND A SECOND HIGH VOLTAGE TERMINAL, CONNECTED TO SAID INNER ELECTRODE.
Claim 2
Dependent Claim
112 words
AN ARC PLASMA GENERATOR HAVING A HOUSING WITH A FIRST SPACE THEREIN; A CENTRALLY DISPOSED ELECTRODE PENETRATING SAID SPACE, BUT INSULATED FROM SAID HOUSING; A FIRST HIGH VOLTAGE SOURCE HAVING A FIRST GROUND TERMINAL, CONNECTED TO SAID HOUSING AND A FIRST HIGH VOLTAGE TERMINAL, CONNECTED TO SAID ELECTRODE, A STARTING DEVICE HAVING AN OUTER ELECTRODE WITH A SECOND SPACE THEREWITH, AND AN INNER ELECTRODE PENETRATING SAID SECOND SPACE, BUT INSULATED FROM SAID OUTER ELECTRODE; SAID OTHER ELECTRODE CONNECTED TO SAID HOUSING, WITH A PASSAGEWAY BETWEEN SAID SPACES; A SECOND HIGH VOLTAGE SOURCE HAVING A SECOND GROUND TERMINAL, CONNECTED TO SAID HOUSING AND A SECOND HIGH VOLTAGE TERMINAL, CONNECTED TO SAID INNER ELECTRODE.
References Cited (Backward Citations)
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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) | 1970-12-04 | 1971-06-05 | 1971-12-05 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1974-12-04 | 1975-06-05 | 1975-12-05 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1978-12-04 | 1979-06-05 | 1979-12-05 | $7700.00 | Window Closed / Lapsed |