US3311773A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Phosphor fibre face plate for cathode-ray tubes
Assignee: Ferranti International PLC
•
Filing: 1962-12-03
•
Granted: 1967-03-28
•
Expires: 1982-12-03
Abstract
No abstract record available.
Inventors
- 👤 Turner George Christie
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-23 07:08
CPC Classifications
H; H01; H01J; H01J29/00; H01J29/02; H01J29/10; H01J29/18; H01J29/30; H01J29/32; H01J29/327; H01J29/24
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
58 words
A CATHODE-RAY TUBE INCLUDING AN ENVELOPE HAVING A FACE PLATE, AT LEAST PART OF SAID FACE PLATE COMPRISING A BUNDLE OF FIBRES OF SUBSTANTIALLY OPTICALLY TRANSPARENT PHOSPHOR MATERIAL EXTENDING THROUGH SAID FACE PLATE IN A DIRECTION PARALLEL TO THE LONGITUDINAL AXIS OF SAID CATHODERAY TUBE ENVELOPE AND MEANS FOR BONDING SAID FIBRES TOGETHER IN A VACUUM TIGHT MANNER.
Claim 2
Dependent Claim
58 words
A CATHODE-RAY TUBE INCLUDING AN ENVELOPE HAVING A FACE PLATE, AT LEAST PART OF SAID FACE PLATE COMPRISING A BUNDLE OF FIBRES OF SUBSTANTIALLY OPTICALLY TRANSPARENT PHOSPHOR MATERIAL EXTENDING THROUGH SAID FACE PLATE IN A DIRECTION PARALLEL TO THE LONGITUDINAL AXIS OF SAID CATHODERAY TUBE ENVELOPE AND MEANS FOR BONDING SAID FIBRES TOGETHER IN A VACUUM TIGHT MANNER.
References Cited (Backward Citations)
US2577161A
Cited
US3041456A
Cited
US3004368A
Cited
US3019344A
Cited
US2985784A
Cited
US2996634A
Cited
US3225193A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1970-03-27 | 1970-09-26 | 1971-03-28 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1974-03-27 | 1974-09-26 | 1975-03-28 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1978-03-27 | 1978-09-26 | 1979-03-28 | $7700.00 | Window Closed / Lapsed |