Patent US2919212A successfully refreshed from Google Patents.
US2919212A
Expired / Lapsed
US
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Electrically conducting glass and method for producing same
Assignee: Libbey Owens Ford Glass Co
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Filing: 1955-07-13
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Granted: 1959-12-29
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Expires: 1975-07-13
Abstract
No abstract record available.
Inventors
- 👤 Romey A Gaiser
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-25 21:07
CPC Classifications
H; H05; H05B; H05B33/00; H05B33/12; H05B33/26; H05B33/28; C; C03; C03C; C03C17/00; C03C17/34; C03C17/3411; C03C17/3417; C03C17/3429; C03C17/3464; C03C17/347; Y; Y10; Y10S; Y10S428/00; Y10S428/917
Claims Analysis
Total Claims: 1
Claim 1
Independent Claim
75 words
A METHOD OF MAKING AN ELECTRICALLY CONDUCING LUMINESCENT SCREEN ON A GLASS SURFACE WHICH COMPRISES THE STEPS OF, SUBJECTING SAID SURFACE, WHILE IT IS AT A TEMPERATURE APPROXIMATING THE SOFTENING POINT OF GLASS, TO A TIN COMPOUND TO PRODUCE A TIN OXIDE FILM THEREON, SUBJECTING THE TIN OXIDE FILM, WHILE IT IS AT A TEMPERATURE APPROXIMATING THER SOFTENING POINT OF GLASS, TO THE CHEMICAL ACTION OF A SOLUTION OF CHROMIUM OXYCHLORIDE IN ACETIC ACID, AND
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) | 1962-12-28 | 1963-06-29 | 1963-12-29 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1966-12-28 | 1967-06-29 | 1967-12-29 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1970-12-28 | 1971-06-29 | 1971-12-29 | $7700.00 | Window Closed / Lapsed |