Patent US3206056A successfully refreshed from Google Patents.
US3206056A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Glass cathode-ray tube for the reproduction of images
Assignee: US Philips Corp
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Filing: 1961-11-24
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Granted: 1965-09-14
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Expires: 1981-11-24
Abstract
No abstract record available.
Inventors
- 👤 Stel Marinus
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-30 13:05
CPC Classifications
H; H01; H01J; H01J29/00; H01J29/86; H01J29/87; Y; Y10; Y10T; Y10T156/00; Y10T156/10; Y10T156/1002; Y10T156/1028
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
67 words
A CATHODE-RAY TUBE COMPRISING A GLASS WINDOW PORTION COVERED IN PART WITH A LUMINESCENT LAYER AND AN ADJOINING GLASS CONE PORTION, AND AN IMPLOSION-PREVENTING LAYER COVERING PART OF THE EXTERNAL SURFACE OF SAID CONE PORTION AND EXTENDING ONLY TO THE PART OF THE WINDOW PORTION COVERED WITH THE LUMINESCENT LAYER, SAID IMPLOSION-PREVENTING LAYER CONSISTING OF AN ORIGINALLY ELASTIC STRETCHED INORGANIC TISSUE EMBEDDED IN A NIN-ELASTIC SYNTHETIC RESIN.
Claim 2
Dependent Claim
67 words
A CATHODE-RAY TUBE COMPRISING A GLASS WINDOW PORTION COVERED IN PART WITH A LUMINESCENT LAYER AND AN ADJOINING GLASS CONE PORTION, AND AN IMPLOSION-PREVENTING LAYER COVERING PART OF THE EXTERNAL SURFACE OF SAID CONE PORTION AND EXTENDING ONLY TO THE PART OF THE WINDOW PORTION COVERED WITH THE LUMINESCENT LAYER, SAID IMPLOSION-PREVENTING LAYER CONSISTING OF AN ORIGINALLY ELASTIC STRETCHED INORGANIC TISSUE EMBEDDED IN A NIN-ELASTIC SYNTHETIC RESIN.
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) | 1968-09-13 | 1969-03-15 | 1969-09-14 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1972-09-13 | 1973-03-15 | 1973-09-14 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1976-09-13 | 1977-03-15 | 1977-09-14 | $7700.00 | Window Closed / Lapsed |