US2729583A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Method of fabricating electrical apparatus
Assignee: Lanteris Space LLC
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Filing: 1951-09-14
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Granted: 1956-01-03
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Expires: 1971-09-14
Abstract
No abstract record available.
Inventors
- 👤 Sadowsky Meier
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-30 09:44
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
99 words
THE METHOD OF FORMING A SCREEN STRUCTURE FOR CATHODE RAY TUBES, SAID METHOD COMPRISING THE STEPS OF: FORMING A FIRST SANDWICH-LIKE ASSEMBLY OF A SOLID TRANSPARENT SUBSTRATE AND A LAYER OF FLUOROSCENT MATERIALS, FORMING A FILM OF ORGANIC MATERIAL HAVING APPROXIMATELY THE SAME SURFACE AREA AS SAID LAYER OF FLUOROSCENT MATERIALS, DEPOSITING ON SAID ORGANIC FILM A METAL FILM OF ELECTION PERMEABLE THICKNESS TO FORM A SECOND SANDWICHLIKE ASSEMBLY OF ORGANIC MATERIAL AND METAL, DEPOSITING SAID SECOND ASSEMBLY ON SAID LAYER OF FLUORESCENT MATERIALS, AND BAKING THE STRUCTURE SO FORMED UNTIL SAID ORGANIC FILM HAS BEEN SUBSTANTIALLY COMPLETELY VAPORIZED.
Claim 2
Independent Claim
99 words
THE METHOD OF FORMING A SCREEN STRUCTURE FOR CATHODE RAY TUBES, SAID METHOD COMPRISING THE STEPS OF: FORMING A FIRST SANDWICH-LIKE ASSEMBLY OF A SOLID TRANSPARENT SUBSTRATE AND A LAYER OF FLUOROSCENT MATERIALS, FORMING A FILM OF ORGANIC MATERIAL HAVING APPROXIMATELY THE SAME SURFACE AREA AS SAID LAYER OF FLUOROSCENT MATERIALS, DEPOSITING ON SAID ORGANIC FILM A METAL FILM OF ELECTION PERMEABLE THICKNESS TO FORM A SECOND SANDWICHLIKE ASSEMBLY OF ORGANIC MATERIAL AND METAL, DEPOSITING SAID SECOND ASSEMBLY ON SAID LAYER OF FLUORESCENT MATERIALS, AND BAKING THE STRUCTURE SO FORMED UNTIL SAID ORGANIC FILM HAS BEEN SUBSTANTIALLY COMPLETELY VAPORIZED.
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) | 1959-01-02 | 1959-07-04 | 1960-01-03 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1963-01-02 | 1963-07-04 | 1964-01-03 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1967-01-02 | 1967-07-04 | 1968-01-03 | $7700.00 | Window Closed / Lapsed |