US3283195A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Cold-cathode glow-discharge tube
Assignee: US Philips Corp
•
Filing: 1963-02-04
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Granted: 1966-11-01
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Expires: 1983-02-04
Abstract
No abstract record available.
Inventors
- 👤 Hall Raymond Frederick
- 👤 Stocker Brian John
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-31 20:46
CPC Classifications
H; H01; H01J; H01J17/00; H01J17/02; H01J17/04; H01J17/06; H01J17/066; H01J2893/00; H01J2893/0064; H01J2893/0065; H01J2893/0066; Y; Y10; Y10S; Y10S428/00; Y10S428/922; Y10S428/9335; Y10S428/938; Y10T; Y10T428/00; Y10T428/12; Y10T428/12493; Y10T428/12771; Y10T428/12861; Y10T428/12889
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
38 words
A GLOW DISCHARGE TUBE COMPRISING AN ENVELOPE FILLED WITH AN IONIZABLE MEDIUM AND ANODE AND CATHODE ELECTRODES DISPOSED THEREIN, SAID CATHODE COMPRISING A BASE HAVING AN ACTIVATING LAYER THEREON CONSISTING OF GOLD, A CESIUM-GOLD ALLOY, AND CESIUM OXIDE.
Claim 2
Dependent Claim
38 words
A GLOW DISCHARGE TUBE COMPRISING AN ENVELOPE FILLED WITH AN IONIZABLE MEDIUM AND ANODE AND CATHODE ELECTRODES DISPOSED THEREIN, SAID CATHODE COMPRISING A BASE HAVING AN ACTIVATING LAYER THEREON CONSISTING OF GOLD, A CESIUM-GOLD ALLOY, AND CESIUM OXIDE.
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) | 1969-10-31 | 1970-05-02 | 1970-11-01 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1973-10-31 | 1974-05-02 | 1974-11-01 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1977-10-31 | 1978-05-02 | 1978-11-01 | $7700.00 | Window Closed / Lapsed |