US3303374A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Cathode ray tube including face plate comprising tapered fiber optical elements mounted in an opaque mosaic
Assignee: Northrop Grumman Guidance and Electronics Co Inc
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Filing: 1965-03-15
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Granted: 1967-02-07
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Expires: 1985-03-15
Abstract
No abstract record available.
Inventors
- 👤 Fyler Norman Francis
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-23 01:38
CPC Classifications
F; F01; F01C; F01C5/00; F01C5/06; F01C5/08; G; G02; G02B; G02B6/00; G02B6/04; G02B6/06; G02B6/08; H; H01; H01J; H01J29/00; H01J29/02; H01J29/10; H01J29/18; H01J29/24; H01J29/86; H01J29/89; H01J29/892
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
66 words
IN COMBINATION, A VACUUM TUBE OF THE CATHODE RAY TYPE COMPRISING AN EXTENDED FACEPLATE, AN ARRAY OF TRUNCATED CONE-LIKE TRANSLUCENT ELEMENTS EXTENDING THROUGH SAID FACEPLATE WITH THE BROADER AREA OF SAID CONE-LIKE ELEMENTS FACING THE INSIDE OF SAID TUBE, SAID FACEPLATE BEING OTHERWISE OPAQUE, PHOSPHOR MATERIAL MOUNTED ON THE INNER ENDS OF SAID ELEMENTS, AND MEANS FOR SELECTIVELY DIRECTING AN ELECTRON BEAM ONTO SAID PHOSPHOR MATERIAL.
Claim 2
Dependent Claim
66 words
IN COMBINATION, A VACUUM TUBE OF THE CATHODE RAY TYPE COMPRISING AN EXTENDED FACEPLATE, AN ARRAY OF TRUNCATED CONE-LIKE TRANSLUCENT ELEMENTS EXTENDING THROUGH SAID FACEPLATE WITH THE BROADER AREA OF SAID CONE-LIKE ELEMENTS FACING THE INSIDE OF SAID TUBE, SAID FACEPLATE BEING OTHERWISE OPAQUE, PHOSPHOR MATERIAL MOUNTED ON THE INNER ENDS OF SAID ELEMENTS, AND MEANS FOR SELECTIVELY DIRECTING AN ELECTRON BEAM ONTO SAID PHOSPHOR MATERIAL.
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) | 1970-02-06 | 1970-08-08 | 1971-02-07 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1974-02-06 | 1974-08-08 | 1975-02-07 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1978-02-06 | 1978-08-08 | 1979-02-07 | $7700.00 | Window Closed / Lapsed |