US3046433A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Glass frit material
Assignee: Libbey Owens Ford Glass Co
•
Filing: 1956-09-24
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Granted: 1962-07-24
•
Expires: 1976-09-24
Abstract
No abstract record available.
Inventors
- 👤 Charles M Browne
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-26 12:12
CPC Classifications
H; H05; H05B; H05B3/00; H05B3/84; C; C03; C03C; C03C3/00; C03C3/04; C03C3/076; C03C3/089; H01; H01B; H01B1/00; H01B1/14; H01B1/16; H05B33/00; H05B33/12; H05B33/26; H05B33/28; H05B2203/00; H05B2203/017
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
182 words
A METHOD OF PRODUCING AN ELECTRICALLY CONDUCTING GLASS UNIT, WHICH COMPRISES APPLYING A STRIP OF METAL ELECTRODE ON THE SURFACE OF A GLASS SHEET, HEATING THE SAID SHEET TO APPROXIMATELY ITS SOFTENING POINT, SPRAYING THE HEATED SHEET WITH A SOLUTION OF A TIN COMPOUND TO FORM A TIN OXIDE FILM IN PERMANENT ELECTRICAL CONTACT WITH THE ELECTRODE, PREPARING A SECOND ELECTRICALLY CONDUCTING GLASS SHEET, REPEATING THE ABOVE STEPS TO PROVIDE A SECOND ELECTRICALLY CONDUCTING GLASS SHEET, APPLYING A GLASS FRIT MATERIAL OVER THE ELECTRICALLY CONDUCTING TIN OXIDE FILM OF ONE OF THE UNITS, SAID GLASS FRIT MATERIAL CONTAINING A FIELD RESPONSIVE PHOSPHOR, ORGANIC BINDER, AND A GLASS FRIT COMPOSED OF LESS THAN 20% SIO2 AND LESS THAN 10% ALKALI AND ALKALINE EARTH OXIDES, HEATING THE SHEET TO FIRE ON THE PHOSPHOR CONTAINING GLASS FRIT MATERIAL, ASSEMBLING THE TWO ELECTRICALLY CONDUCTING GLASS UNITS WITH A SHEET OF DIELECTRIC LAMINATING PLASTIC THEREBETWEEN AND THE ELECTRICALLY CONDUCTING FILMS IN FACE TO FACE RELATION AND THE ELECTRODES OUT OF CONTACT WITH ONE ANOTHER, AND SUBJECTING THE UNIT TO HEAT AND PRESSURE TO FORM A COMPOSITE UNIT.
Claim 2
Independent Claim
182 words
A METHOD OF PRODUCING AN ELECTRICALLY CONDUCTING GLASS UNIT, WHICH COMPRISES APPLYING A STRIP OF METAL ELECTRODE ON THE SURFACE OF A GLASS SHEET, HEATING THE SAID SHEET TO APPROXIMATELY ITS SOFTENING POINT, SPRAYING THE HEATED SHEET WITH A SOLUTION OF A TIN COMPOUND TO FORM A TIN OXIDE FILM IN PERMANENT ELECTRICAL CONTACT WITH THE ELECTRODE, PREPARING A SECOND ELECTRICALLY CONDUCTING GLASS SHEET, REPEATING THE ABOVE STEPS TO PROVIDE A SECOND ELECTRICALLY CONDUCTING GLASS SHEET, APPLYING A GLASS FRIT MATERIAL OVER THE ELECTRICALLY CONDUCTING TIN OXIDE FILM OF ONE OF THE UNITS, SAID GLASS FRIT MATERIAL CONTAINING A FIELD RESPONSIVE PHOSPHOR, ORGANIC BINDER, AND A GLASS FRIT COMPOSED OF LESS THAN 20% SIO2 AND LESS THAN 10% ALKALI AND ALKALINE EARTH OXIDES, HEATING THE SHEET TO FIRE ON THE PHOSPHOR CONTAINING GLASS FRIT MATERIAL, ASSEMBLING THE TWO ELECTRICALLY CONDUCTING GLASS UNITS WITH A SHEET OF DIELECTRIC LAMINATING PLASTIC THEREBETWEEN AND THE ELECTRICALLY CONDUCTING FILMS IN FACE TO FACE RELATION AND THE ELECTRODES OUT OF CONTACT WITH ONE ANOTHER, AND SUBJECTING THE UNIT TO HEAT AND PRESSURE TO FORM A COMPOSITE UNIT.
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USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1965-07-23 | 1966-01-22 | 1966-07-24 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1969-07-23 | 1970-01-22 | 1970-07-24 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1973-07-23 | 1974-01-22 | 1974-07-24 | $7700.00 | Window Closed / Lapsed |