US3136915A
Expired / Lapsed
US
⏱️ 0.0 years remaining
High energy plasma source
Assignee: Sheer Korman Associates Inc
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Filing: 1962-04-19
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Granted: 1964-06-09
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Expires: 1982-04-19
Abstract
No abstract record available.
Inventors
- 👤 Walter A Jaatinen
- 👤 Raymond M Chappel
- 👤 Wilfred R Cook
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-02 18:07
CPC Classifications
F; F03; F03H; F03H1/00; H; H05; H05H; H05H1/00; H05H1/24; H05H1/48
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
100 words
APPARATUS FOR PROVIDING A HIGH ENERGY PLASMA SOURCE COMPRISING A CATHODE HAVING A FORWARD AREA FACING GENERALLY IN A FORWARD DIRECTION AND AT LEAST ONE TAPERING SIDE SURFACE, AN ANODE POSITIONED BEHIND SAID SIDE SURFACE OF SAID CATHODE AND HAVING A FRONTAL SURFACE FACING IN SAID FORWARD DIRECTION, MEANS FOR INTRODUCING A FLUID IN THE REGION ADJACENT SAID SIDE TAPERING SURFACE OF SAID CATHODE, AND ELECTRICAL MEANS FOR CAUSING AN ARC TO BE FORMED BETWEEN SAID FORWARD END OF SAID CATHODE AND SAID FRONTAL SURFACE OF SAID ANODE SUBSTANTIALLY ADJACENT AND PARALLEL TO SAID TAPERING SIDE SURFACE OF SAID CATHODE.
Claim 2
Dependent Claim
100 words
APPARATUS FOR PROVIDING A HIGH ENERGY PLASMA SOURCE COMPRISING A CATHODE HAVING A FORWARD AREA FACING GENERALLY IN A FORWARD DIRECTION AND AT LEAST ONE TAPERING SIDE SURFACE, AN ANODE POSITIONED BEHIND SAID SIDE SURFACE OF SAID CATHODE AND HAVING A FRONTAL SURFACE FACING IN SAID FORWARD DIRECTION, MEANS FOR INTRODUCING A FLUID IN THE REGION ADJACENT SAID SIDE TAPERING SURFACE OF SAID CATHODE, AND ELECTRICAL MEANS FOR CAUSING AN ARC TO BE FORMED BETWEEN SAID FORWARD END OF SAID CATHODE AND SAID FRONTAL SURFACE OF SAID ANODE SUBSTANTIALLY ADJACENT AND PARALLEL TO SAID TAPERING SIDE SURFACE OF SAID CATHODE.
References Cited (Backward Citations)
No citation records indexed.
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1967-06-09 | 1967-12-09 | 1968-06-09 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1971-06-09 | 1971-12-09 | 1972-06-09 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1975-06-09 | 1975-12-09 | 1976-06-09 | $7700.00 | Window Closed / Lapsed |