US3402367A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Three-electrode cold-cathode gas laser tube
Assignee: NEC Corp
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Filing: 1965-06-10
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Granted: 1968-09-17
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Expires: 1985-06-10
Abstract
No abstract record available.
Inventors
- 👤 Kobayashi Haruhiro
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-27 21:05
CPC Classifications
H; H01; H01S; H01S3/00; H01S3/09; H01S3/097; H01S3/09707; H01S3/02; H01S3/03; H01S3/038
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
73 words
A GAS LASER TUBE STRUCTURE FOR GENERATING A LASER OUTPUT COMPRISING AN ELONGATED EVACUATED ENVELOPE CONTAINING A GAS MIXTUE SUITABLE FOR PRODUCING A GLOW DISCHARGE; AN ELONGATED HOLLOW FIRST ELECTRODE POSITIONED WITHIN SAID ENVELOPE; THE LONGITUDINAL AXES OF SAID ENVELOPE AND SAID FIRST ELECTRODE BEING SUBSTANTIALLY IN ALIGNMENT; A SECOND ELONGATED LATTICE-TYPE ELECTRODE POSITIONED WITHIN SAID FIRST ELECTRODE; BIAS MEANS COUPLED BETWEEN SAID FIRST AND SECOND ELECTRODES FOR GENERATING A GLOW DISCHARGE THEREBETWEEN;
Claim 2
Dependent Claim
73 words
A GAS LASER TUBE STRUCTURE FOR GENERATING A LASER OUTPUT COMPRISING AN ELONGATED EVACUATED ENVELOPE CONTAINING A GAS MIXTUE SUITABLE FOR PRODUCING A GLOW DISCHARGE; AN ELONGATED HOLLOW FIRST ELECTRODE POSITIONED WITHIN SAID ENVELOPE; THE LONGITUDINAL AXES OF SAID ENVELOPE AND SAID FIRST ELECTRODE BEING SUBSTANTIALLY IN ALIGNMENT; A SECOND ELONGATED LATTICE-TYPE ELECTRODE POSITIONED WITHIN SAID FIRST ELECTRODE; BIAS MEANS COUPLED BETWEEN SAID FIRST AND SECOND ELECTRODES FOR GENERATING A GLOW DISCHARGE THEREBETWEEN;
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) | 1971-09-17 | 1972-03-18 | 1972-09-17 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1975-09-17 | 1976-03-18 | 1976-09-17 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1979-09-17 | 1980-03-18 | 1980-09-17 | $7700.00 | Window Closed / Lapsed |