US3846171A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Gaseous discharge device
Assignee: Techneglas LLC
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Filing: 1972-10-26
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Granted: 1974-11-05
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Expires: 1992-10-26
Abstract
Abstract 1. IN A GASEOUS DISCHARGE DISPLAY/MEMORY DEVICE COMPRISING AN IONIZABLE MEDIUM AND AT LEAST ONE DIELECTRIC CHARGE STORAGE MEMBER IN CONTACT WITH THE GASEOUS MEDIUM AND AT LEAST ONE ELECTRODE INSULATED FROM THE GASEOUS MEDIUM BY A DIELECTRIC MEMBER, THE IMPROVEMENT WHEREIN THE POSITION OF THE DIELECTRIC MEMBER CONTACTING THE GASEOUS MEDIUM CONSISTS OF AT LEAST ONE OXIDE OF BE, CA, SR, BA OR RA, IN AN AMOUNT SUFFICIENT TO INCREASE THE UNIFORMITY OF THE OPERATING VOLTAGES OF THE DEVICE.
Inventors
- 👤 Roger E Ernsthausen
- 👤 Bernard W Byrum Jr
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-02 23:02
CPC Classifications
H; H01; H01J; H01J11/00
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
59 words
IN A GASEOUS DISCHARGE DISPLAY/MEMORY DEVICE COMPRISING AN IONIZABLE MEDIUM AND AT LEAST ONE DIELECTRIC CHARGE STORAGE MEMBER IN CONTACT WITH THE GASEOUS MEDIUM AND AT LEAST ONE ELECTRODE INSULATED FROM THE GASEOUS MEDIUM BY A DIELECTRIC MEMBER, THE IMPROVEMENT WHEREIN THE POSITION OF THE DIELECTRIC MEMBER CONTACTING THE GASEOUS MEDIUM CONSISTS OF AT LEAST ONE OXIDE OF BE,
Claim 2
Dependent Claim
59 words
IN A GASEOUS DISCHARGE DISPLAY/MEMORY DEVICE COMPRISING AN IONIZABLE MEDIUM AND AT LEAST ONE DIELECTRIC CHARGE STORAGE MEMBER IN CONTACT WITH THE GASEOUS MEDIUM AND AT LEAST ONE ELECTRODE INSULATED FROM THE GASEOUS MEDIUM BY A DIELECTRIC MEMBER, THE IMPROVEMENT WHEREIN THE POSITION OF THE DIELECTRIC MEMBER CONTACTING THE GASEOUS MEDIUM CONSISTS OF AT LEAST ONE OXIDE OF BE,
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) | 1977-11-04 | 1978-05-06 | 1978-11-05 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1981-11-04 | 1982-05-06 | 1982-11-05 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1985-11-04 | 1986-05-06 | 1986-11-05 | $7700.00 | Window Closed / Lapsed |