US3224895A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Method of manufacturing display screens for cathode-ray tubes
Assignee: US Philips Corp
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Filing: 1961-06-08
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Granted: 1965-12-21
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Expires: 1981-06-08
Abstract
No abstract record available.
Inventors
- 👤 Rebel Johannes Willem
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-02 02:39
CPC Classifications
H; H01; H01J; H01J9/00; H01J9/20; H01J9/22; H01J9/227; H01J9/2271; H01J29/00; H01J29/02; H01J29/10; H01J29/18; H01J29/187
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
66 words
A METHOD OF MANUFACTURING A DISPLAY SCREEN FOR A CATHODE-RAY TUBE COMPRISING THE STEPS OF DEPOSITING ON A TRANSPARENT SUPPORT HAVING A LUMINESCENT MATERIAL COVERING SELECTED AREAS THEREOF A HARDENABLE PHOTOSENSITIVE BINDER, EXPOSING THE BINDER THROUGH THE TRANSPARENT SUPPORT TO A RADIATION WHICH HARDENS THE BINDER BUT WHICH IS ADSORBED BY THE LUMINESCENT MATERIAL TO THEREBY HARDEN THE BINDER ONLY BETWEEN AREAS COVERED BY THE LUMINESCENT
Claim 2
Independent Claim
66 words
A METHOD OF MANUFACTURING A DISPLAY SCREEN FOR A CATHODE-RAY TUBE COMPRISING THE STEPS OF DEPOSITING ON A TRANSPARENT SUPPORT HAVING A LUMINESCENT MATERIAL COVERING SELECTED AREAS THEREOF A HARDENABLE PHOTOSENSITIVE BINDER, EXPOSING THE BINDER THROUGH THE TRANSPARENT SUPPORT TO A RADIATION WHICH HARDENS THE BINDER BUT WHICH IS ADSORBED BY THE LUMINESCENT MATERIAL TO THEREBY HARDEN THE BINDER ONLY BETWEEN AREAS COVERED BY THE LUMINESCENT
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) | 1968-12-20 | 1969-06-21 | 1969-12-21 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1972-12-20 | 1973-06-21 | 1973-12-21 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1976-12-20 | 1977-06-21 | 1977-12-21 | $7700.00 | Window Closed / Lapsed |