US3329863A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Multi-electrode stepping device requiring graduated stepping potentials
Assignee: AT&T Inc
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Filing: 1965-04-02
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Granted: 1967-07-04
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Expires: 1985-04-02
Abstract
No abstract record available.
Inventors
- 👤 Warner H Witmer
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-26 07:59
CPC Classifications
H; H03; H03K; H03K3/00; H03K3/02; H01; H01J; H01J17/00; H01J17/38; H01J17/48; H01J2893/00; H01J2893/007
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
97 words
A GLOW DISCHARGE DEVICE COMPRISING: AN ENCLOSURE CONTAINING A LOW-PRESSURE GASEOUS MEDIUM WHEREIN A GLOW DISCHARGE IS TO BE ESTABLISHED; ANODE MEANS IN SAID ENCLOSURE; AND A SERIES OF CATHODES JUXTAPOSED TO SAID ANODE MEANS AND EACH HAVING A GLOW DISCHARGE PREFERENCE PORTION AND A NON-PREFERENCE PORTION, SUCCESSIVE CATHODES IN A DESIRED DIRECTION OF GLOW DISCHARGE PROGRESSION ALONG SAID SERIES HAVING THEIR NONPREFERENCE PORTIONS EXTENDING TOWARD THE GLOW DISCHARGE PREFERENCE PORTIONS OF THE NEXT PRECEDING CATHODES, ALTERNATE ONES OF SAID CATHODES BEING STEPPING CATHODES AND THE INTERVENING ONES BEING OUTPUT CATHODES, THE FIRST STEPPING CATHODE HAVING ITS
Claim 2
Dependent Claim
97 words
A GLOW DISCHARGE DEVICE COMPRISING: AN ENCLOSURE CONTAINING A LOW-PRESSURE GASEOUS MEDIUM WHEREIN A GLOW DISCHARGE IS TO BE ESTABLISHED; ANODE MEANS IN SAID ENCLOSURE; AND A SERIES OF CATHODES JUXTAPOSED TO SAID ANODE MEANS AND EACH HAVING A GLOW DISCHARGE PREFERENCE PORTION AND A NON-PREFERENCE PORTION, SUCCESSIVE CATHODES IN A DESIRED DIRECTION OF GLOW DISCHARGE PROGRESSION ALONG SAID SERIES HAVING THEIR NONPREFERENCE PORTIONS EXTENDING TOWARD THE GLOW DISCHARGE PREFERENCE PORTIONS OF THE NEXT PRECEDING CATHODES, ALTERNATE ONES OF SAID CATHODES BEING STEPPING CATHODES AND THE INTERVENING ONES BEING OUTPUT CATHODES, THE FIRST STEPPING CATHODE HAVING ITS
References Cited (Backward Citations)
US2785355A
Cited
US2608674A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1970-07-03 | 1971-01-02 | 1971-07-04 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1974-07-03 | 1975-01-02 | 1975-07-04 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1978-07-03 | 1979-01-02 | 1979-07-04 | $7700.00 | Window Closed / Lapsed |