Patent US3284226A successfully refreshed from Google Patents.
US3284226A
Expired / Lapsed
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Method of treating opal glass surfaces
Assignee: OI Glass Inc
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Filing: 1963-10-11
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Granted: 1966-11-08
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Expires: 1983-10-11
Abstract
No abstract record available.
Inventors
- 👤 James R A Taylor
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-01 13:10
CPC Classifications
C; C03; C03C; C03C17/00; C03C17/06; C03C17/10
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
124 words
IN THE METHOD OF DECORATING OPAL GLASS SURFACES WITH FIRED-ON NOBLE METAL FILM, THE OPAL GLASS CONSISTING OF MATRIX OF RELATIVELY HIGH REFRACTIVE INDEX SODA-LIME-SILICA GLASS CONTAINING AS INCLUSIONS LOW REFRACTIVE INDEX CRYSTALS OF CALCIUM FLUORIDE AND SODIUM FLUORIDE AND THE NOBLE METAL DEPOSITED FROM THE HEAT DECOMPOSITION OF A NOBLE METALLO ORGANIC COMPOUND, THE IMPROVEMENT COMPRISING PRETREATING THE OPAL GLASS SURFACE, PRIOR TO THE APPLICATION THERETO OF THE NOBLE METAL DECORATION, WITH A DILUTE AQUEOUS SOLUTION OF AN ORGANIC ACIDIC COMPOUND SELECTED FROM THE GROUP CONSISTING OF CITRIC ACID, LACTIC ACID, GLYCOLIC ACID, ASCORBIC ACID, URIE ACID, FUMARIC ACID, ETHYLENEDIAMINETETRAACETIC ACID AND MIXTURES THEREOF TO EFFECT REMOVAL FROM SAID OPAL GLASS SURFACE OF EXCESS OXIDES AND FLUORIDES OF ALKALI AND ALKALINE EARTH METALS.
Claim 2
Dependent Claim
124 words
IN THE METHOD OF DECORATING OPAL GLASS SURFACES WITH FIRED-ON NOBLE METAL FILM, THE OPAL GLASS CONSISTING OF MATRIX OF RELATIVELY HIGH REFRACTIVE INDEX SODA-LIME-SILICA GLASS CONTAINING AS INCLUSIONS LOW REFRACTIVE INDEX CRYSTALS OF CALCIUM FLUORIDE AND SODIUM FLUORIDE AND THE NOBLE METAL DEPOSITED FROM THE HEAT DECOMPOSITION OF A NOBLE METALLO ORGANIC COMPOUND, THE IMPROVEMENT COMPRISING PRETREATING THE OPAL GLASS SURFACE, PRIOR TO THE APPLICATION THERETO OF THE NOBLE METAL DECORATION, WITH A DILUTE AQUEOUS SOLUTION OF AN ORGANIC ACIDIC COMPOUND SELECTED FROM THE GROUP CONSISTING OF CITRIC ACID, LACTIC ACID, GLYCOLIC ACID, ASCORBIC ACID, URIE ACID, FUMARIC ACID, ETHYLENEDIAMINETETRAACETIC ACID AND MIXTURES THEREOF TO EFFECT REMOVAL FROM SAID OPAL GLASS SURFACE OF EXCESS OXIDES AND FLUORIDES OF ALKALI AND ALKALINE EARTH METALS.
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) | 1969-11-07 | 1970-05-09 | 1970-11-08 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1973-11-07 | 1974-05-09 | 1974-11-08 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1977-11-07 | 1978-05-09 | 1978-11-08 | $7700.00 | Window Closed / Lapsed |