US3317337A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Method of metallizing luminescent screens
Assignee: RCA Corp
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Filing: 1963-03-18
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Granted: 1967-05-02
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Expires: 1983-03-18
Abstract
No abstract record available.
Inventors
- 👤 Theodore A Saulnier
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-02 09:00
CPC Classifications
H; H01; H01B; H01B13/00; H01B13/06; H01B13/12; H01J; H01J29/00; H01J29/02; H01J29/10; H01J29/18; H01J29/28; H01J9/00; H01J9/20; H01J9/22
Claims Analysis
Total Claims: 1
Claim 1
Independent Claim
141 words
A METHOD OF METALLIZING A LUMINESCENT SCREEN COMPRISING THE STEPS OF: (A) DEPOSITING ON SAID SCREEN AN UNDERCOAT LAYER OF A WATER BASED MIXTURE CONTAINING A MATERIAL WHICH FORMS A FILM SUBSTANTIALLY FREE OF CRACKS, HOLES, AND GROSS DISCONTINUITIES OVER AREAS OF SUBSTANTIAL AT THE TEMPERATURE OF DEPOSTION AND WHICH IS ESSENTIALLY ONE MEMBER OF THE GROUP CONSISTING OF POLYVINYL ACETATE, POLYVINYL ALCOHOL, AND SOFT ACRYLIC RESINS, (B) DRYING SAID UNDERCOAT LAYER. (C) DEPOSITING OVER THE DRY UNDERCOAT LAYER A TOPCOAT LAYER OF AN AQUEOUS EMULSION OF AN ACRYLIC RESIN, WHICH FORMS A FILM HAVING SUBSTANTIAL CRACKS, HOLES, AND GROSS DISCONTINUITIES OVER AREAS OF SUBSTANTIAL SIZE AT THE TEMPERATURE OF DEPOSITION, (D) DRYING SAID TOPCOAT LAYER, (E) DEPOSITING A METALLIC COATING ONTO SAID TOPCOAT LAYER, AND (F) HEATING SAID METALLIC COATED SCREEN TO VOLATILIZE AND REMOVE SAID UNDERCOAT AND SAID TOPCOAT.
References Cited (Backward Citations)
US2910376A
Cited
US3067055A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1970-05-01 | 1970-10-31 | 1971-05-02 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1974-05-01 | 1974-10-31 | 1975-05-02 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1978-05-01 | 1978-10-31 | 1979-05-02 | $7700.00 | Window Closed / Lapsed |