US4723093A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Gas discharge device
Assignee: Techneglas LLC
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Filing: 1975-05-21
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Granted: 1988-02-02
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Expires: 1995-05-21
Abstract
Abstract There is disclosed a gas discharge panel, especially of the type described in U.S. Pat. No. 3,499,167 or 3,559,190, operated with an ionizable gaseous medium of neon and at least one minority rare gas component selected from argon, krypton, and xenon. In one embodiment, there is used a gaseous medium of about 99.5 to 99.99 percent atoms of neon and 0.5 to 0.01 percent atoms or at least one minority gas component.
Inventors
- 👤 James F. Nolan
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-09 16:46
CPC Classifications
H; H01; H01J; H01J11/00; H01J11/10; H01J11/12; H01J11/20; H01J11/50; H01J2211/00; H01J2211/20; H01J2211/52
Claims Analysis
Total Claims: 6
Claim 1
Independent Claim
50 words
A glow discharge device comprising: an envelope, electrodes, lead-in wires connected to the electrodes, said lead-in wires extending through and hermetically sealed in said envelope, said envelope containing a Penning mixture fill gas of neon and xenon wherein said xenon may vary between 0.001 percent to 1.0 percent by volume.
Claim 2
Dependent Claim
50 words
A glow discharge device comprising: an envelope, electrodes, lead-in wires connected to the electrodes, said lead-in wires extending through and hermetically sealed in said envelope, said envelope containing a Penning mixture fill gas of neon and xenon wherein said xenon may vary between 0.001 percent to 1.0 percent by volume.
Claim 3
Dependent Claim
22 words
A glow discharge device as claimed in claim 1 wherein said xenon may vary between 0.001 percent to 0.1 percent by volume.
Claim 4
Dependent Claim
21 words
A glow discharge device as claimed in claim 1 wherein said xenon may vary between 0.01% to 0.1 percent by volume.
Claim 5
Dependent Claim
17 words
A glow discharge device as claimed in claim 1 wherein said xenon equals 0.1 percent by volume.
Claim 6
Dependent Claim
17 words
A glow discharge device as claimed in claim 1 wherein said xenon equals 0.01 percent by volume.
References Cited (Backward Citations)
US3814971A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1991-02-01 | 1991-08-03 | 1992-02-02 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1995-02-01 | 1995-08-03 | 1996-02-02 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1999-02-01 | 1999-08-03 | 2000-02-02 | $7700.00 | Window Closed / Lapsed |