US2756167A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Method of manufacturing cathode-ray tube screen structures
Assignee: Lanteris Space LLC
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Filing: 1953-07-10
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Granted: 1956-07-24
•
Expires: 1973-07-10
Abstract
No abstract record available.
Inventors
- 👤 Guy F Barnett
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-25 10:13
CPC Classifications
H; H01; H01J; H01J29/00; H01J29/02; H01J29/10; H01J29/18; H01J29/28; H01J9/00; H01J9/20; H01J9/22; H01J9/227
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
76 words
THE METHOD OF DEPOSITING INORGANIC MATERIAL ON THE SURFACE OF A FILM OF METALLIC CONDUCTIVE MATERIAL, SAID FILM BEING SUFFICIENTLY THIN TO BE PERMEABLE TO THE ELECTRONS OF A CATHODE RAY BEAM IMPINGING THEREON, SAID METHOD COMPRISING THE STEPS OF DEPOSITING A FILM OF HEAT REMOVABLE, FILM FORMING ORGANIC MATERIAL ON SAID CONDUCTIVE FILM, DEPOSITING SAID INORGANIC MATERIAL ON SAID ORGANIC FILM, AND HEATING THE STRUCTURE SO FORMED UNTIL SAID ORGANIC FILM IS SUBSTANTIALLY COMPLETELY VAPORIZED.
Claim 2
Independent Claim
76 words
THE METHOD OF DEPOSITING INORGANIC MATERIAL ON THE SURFACE OF A FILM OF METALLIC CONDUCTIVE MATERIAL, SAID FILM BEING SUFFICIENTLY THIN TO BE PERMEABLE TO THE ELECTRONS OF A CATHODE RAY BEAM IMPINGING THEREON, SAID METHOD COMPRISING THE STEPS OF DEPOSITING A FILM OF HEAT REMOVABLE, FILM FORMING ORGANIC MATERIAL ON SAID CONDUCTIVE FILM, DEPOSITING SAID INORGANIC MATERIAL ON SAID ORGANIC FILM, AND HEATING THE STRUCTURE SO FORMED UNTIL SAID ORGANIC FILM IS SUBSTANTIALLY COMPLETELY VAPORIZED.
References Cited (Backward Citations)
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Cited
US2031603A
Cited
US2006166A
Cited
US2384500A
Cited
US2407146A
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US2597617A
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US2644855A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1959-07-24 | 1960-01-23 | 1960-07-24 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1963-07-24 | 1964-01-23 | 1964-07-24 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1967-07-24 | 1968-01-23 | 1968-07-24 | $7700.00 | Window Closed / Lapsed |