US3264511A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Glow discharge device
Assignee: Westinghouse Electric Corp
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Filing: 1963-06-20
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Granted: 1966-08-02
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Expires: 1983-06-20
Abstract
No abstract record available.
Inventors
- 👤 George K Yamasaki
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-02 02:59
CPC Classifications
H; H01; H01J; H01J17/00; H01J17/02; H01J17/04; H01J17/06; H01J17/066; G; G01; G01J; G01J3/00; G01J3/02; G01J3/10; H01J17/38; H01J2893/00; H01J2893/0064; H01J2893/0065; H01J2893/0066
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
151 words
A SPECTRAL LIGHT SOURCE COMPRISING AN ENVELOPE; AN ANODE AND A CATHODE DISPOSED IN A SPACED RELATIONSHIP WITHIN SAID ENVELOPE FOR MAINTAINING AN ELECTRON DISCHARGE THEREBETWEEN, SAID CATHODE HAVING A HOLLOW PORTION THEREIN AND MADE OF A MATERIAL HAVING THE PROPERTY OF ESTABLISHING A BEAM OF LIGHT IN RESPONSE TO SAID ELECTRON DISCHARGE, SAID ENVELOPE HAVING A PORTION TRANSMISSIVE TO SAID BEAM OF LIGHT THROUGH WHICH SAID BEAM OF LIGHT IS DIRECTED; FIRST AND SECOND ELECTRICALLY CONDUCTIVE MEMBERS CONNECTED RESPECTIVELY TO SAID ANODE AND SAID CATHODE AND EXTENDING THROUGH SAID ENVELOPE AT A PLACE REMOTE FROM SAID TRANSMISSIVE PORTION; AND ELECTRICALLY INSULATING MEANS INCLUDING A DISK HAVING AN APERTURE THEREIN AND DISPOSED BETWEEN SAID CATHODE AND ANODE FOR CONFINING SAID ELECTRON DISCHARGE TO SAID HOLLOW PORTION, AND A MEMBER DISPOSED TO PREVENT A FURTHER ELECTRON DISCHARGE BETWEEN SAID FIRST ELECTRICALLY CONDUCTIVE MEMBER, AND SAID CATHODE AND SAID SECOND ELECTRICALLY CONDUCTIVE MEMBER.
Claim 2
Dependent Claim
151 words
A SPECTRAL LIGHT SOURCE COMPRISING AN ENVELOPE; AN ANODE AND A CATHODE DISPOSED IN A SPACED RELATIONSHIP WITHIN SAID ENVELOPE FOR MAINTAINING AN ELECTRON DISCHARGE THEREBETWEEN, SAID CATHODE HAVING A HOLLOW PORTION THEREIN AND MADE OF A MATERIAL HAVING THE PROPERTY OF ESTABLISHING A BEAM OF LIGHT IN RESPONSE TO SAID ELECTRON DISCHARGE, SAID ENVELOPE HAVING A PORTION TRANSMISSIVE TO SAID BEAM OF LIGHT THROUGH WHICH SAID BEAM OF LIGHT IS DIRECTED; FIRST AND SECOND ELECTRICALLY CONDUCTIVE MEMBERS CONNECTED RESPECTIVELY TO SAID ANODE AND SAID CATHODE AND EXTENDING THROUGH SAID ENVELOPE AT A PLACE REMOTE FROM SAID TRANSMISSIVE PORTION; AND ELECTRICALLY INSULATING MEANS INCLUDING A DISK HAVING AN APERTURE THEREIN AND DISPOSED BETWEEN SAID CATHODE AND ANODE FOR CONFINING SAID ELECTRON DISCHARGE TO SAID HOLLOW PORTION, AND A MEMBER DISPOSED TO PREVENT A FURTHER ELECTRON DISCHARGE BETWEEN SAID FIRST ELECTRICALLY CONDUCTIVE MEMBER, AND SAID CATHODE AND SAID SECOND ELECTRICALLY CONDUCTIVE MEMBER.
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) | 1969-08-01 | 1970-01-31 | 1970-08-02 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1973-08-01 | 1974-01-31 | 1974-08-02 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1977-08-01 | 1978-01-31 | 1978-08-02 | $7700.00 | Window Closed / Lapsed |