US3109801A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Gas discharge apparatus
Assignee: United Kingdom Atomic Energy Authority
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Filing: 1958-06-20
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Granted: 1963-11-05
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Expires: 1978-06-20
Abstract
No abstract record available.
Inventors
- 👤 Thonemann Peter Clive
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-08 22:52
CPC Classifications
G; G21; G21B; G21B1/00; G21B1/11; G21B1/13; Y; Y02; Y02E; Y02E30/00; Y02E30/10
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
106 words
GAS DISCHARGE APPARATUS COMPRISING A METAL TORUS HAVING A WALL AND AT LEAST ONE INSULATING GAP AROUND THE CIRCUMFERENCE OF THE BORE OF THE TORUS, MEANS ESTABLISHING A GASEOUS RING DISCHARGE WITHIN THE TORUS AND A LINER LOCATED BETWEEN THE DISCHARGE AND THE WALL OF THE TORUS, WHEREIN SAID LINER IS CONTINUOUSLY ELECTRICALLY CONDUCTIVE IN THE DIRECTION OF THE AXIS OF THE BORE OF THE TORUS AND WHEREIN THE MATERIAL OF SAID LINER IS CORRUGATED, SAID CORRUGATIONS SERVING TO INCREASE THE EFFECTIVE LENGTH AND ELECTRICAL RESISTANCE IN SAID DIRECTION SUCH THAT THE RESISTANCE IS LARGE COMPARED WITH THE PREDICTED RESISTANCE OF THE DISCHARGE WITHIN THE TORUS.
Claim 2
Dependent Claim
106 words
GAS DISCHARGE APPARATUS COMPRISING A METAL TORUS HAVING A WALL AND AT LEAST ONE INSULATING GAP AROUND THE CIRCUMFERENCE OF THE BORE OF THE TORUS, MEANS ESTABLISHING A GASEOUS RING DISCHARGE WITHIN THE TORUS AND A LINER LOCATED BETWEEN THE DISCHARGE AND THE WALL OF THE TORUS, WHEREIN SAID LINER IS CONTINUOUSLY ELECTRICALLY CONDUCTIVE IN THE DIRECTION OF THE AXIS OF THE BORE OF THE TORUS AND WHEREIN THE MATERIAL OF SAID LINER IS CORRUGATED, SAID CORRUGATIONS SERVING TO INCREASE THE EFFECTIVE LENGTH AND ELECTRICAL RESISTANCE IN SAID DIRECTION SUCH THAT THE RESISTANCE IS LARGE COMPARED WITH THE PREDICTED RESISTANCE OF THE DISCHARGE WITHIN THE TORUS.
References Cited (Backward Citations)
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1966-11-04 | 1967-05-06 | 1967-11-05 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1970-11-04 | 1971-05-06 | 1971-11-05 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1974-11-04 | 1975-05-06 | 1975-11-05 | $7700.00 | Window Closed / Lapsed |