Patent US3147136A successfully refreshed from Google Patents.
US3147136A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Process for forming a grit-blasted and methyl methacrylate-epoxy resin coated glass surface
Assignee: OI Glass Inc
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Filing: 1961-01-11
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Granted: 1964-09-01
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Expires: 1981-01-11
Abstract
No abstract record available.
Inventors
- 👤 Dirk E Huttenbach
- 👤 Earl F Schaefer
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-29 19:01
CPC Classifications
C; C03; C03C; C03C17/00; C03C17/28; C03C17/32; Y; Y10; Y10T; Y10T428/00; Y10T428/29; Y10T428/2982; Y10T428/2991; Y10T428/2993; Y10T428/2998
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
143 words
THE PROCESS OF MAKING A CLEAR, SMOOTH GLASS SURFACE TRNASLUCENT AND FREE OF LOOSE, REMOVABLE GLASS DUST PARTICLES FORMED DURING SAID PROCESS COMPRISING THE STEPS OF GRIT-BLASTING SAID CLEAR, SMOOTH GLASS SURFACE INTO A TRANSLUCENT SURFACE HAVING THE GLASS DUST PARTICLES FORMED DURING THE GRIT-BLASTING COHESIVELY CLINGING TO SAID TRANSLUCENT SURFACE, SPRAYING SAID TRANSLUCENT SURFACE AND PARTICLES WITH A COMPOSITION COMPRISING A MIXTURE OF AN UNESTERIFIED EPOXY RESIN AND METHYL METHACRYLATE IN A VOLATILE SOLVENT, SAID MIXTURE BEING PRESENT IN AN AMOUNT OF FROM 1.5 TO 3.0% BY WEIGHT OF SAID COMPOSITION, SAID METHYL METHACRYLATE BEING PRESENT IN A RATION OF 25:75 TO 97:3 BY WEIGHT OF SAID EPOXY RESIN, REMOVING SAID SOLVENT AND CURING SAID MIXTURE ON SAID TRANSLUCENT GLASS SURFACE, SAID CURED MIXTURE FIRMLY BONDING SAID GLASS DUST PARTICLES ONTO SAID GLASS SURFACE, SAID COATED GLASS SURFACE RETAINING ITS TRANSLUCENT APPEARANCE.
Claim 2
Dependent Claim
143 words
THE PROCESS OF MAKING A CLEAR, SMOOTH GLASS SURFACE TRNASLUCENT AND FREE OF LOOSE, REMOVABLE GLASS DUST PARTICLES FORMED DURING SAID PROCESS COMPRISING THE STEPS OF GRIT-BLASTING SAID CLEAR, SMOOTH GLASS SURFACE INTO A TRANSLUCENT SURFACE HAVING THE GLASS DUST PARTICLES FORMED DURING THE GRIT-BLASTING COHESIVELY CLINGING TO SAID TRANSLUCENT SURFACE, SPRAYING SAID TRANSLUCENT SURFACE AND PARTICLES WITH A COMPOSITION COMPRISING A MIXTURE OF AN UNESTERIFIED EPOXY RESIN AND METHYL METHACRYLATE IN A VOLATILE SOLVENT, SAID MIXTURE BEING PRESENT IN AN AMOUNT OF FROM 1.5 TO 3.0% BY WEIGHT OF SAID COMPOSITION, SAID METHYL METHACRYLATE BEING PRESENT IN A RATION OF 25:75 TO 97:3 BY WEIGHT OF SAID EPOXY RESIN, REMOVING SAID SOLVENT AND CURING SAID MIXTURE ON SAID TRANSLUCENT GLASS SURFACE, SAID CURED MIXTURE FIRMLY BONDING SAID GLASS DUST PARTICLES ONTO SAID GLASS SURFACE, SAID COATED GLASS SURFACE RETAINING ITS TRANSLUCENT APPEARANCE.
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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) | 1967-09-01 | 1968-03-02 | 1968-09-01 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1971-09-01 | 1972-03-02 | 1972-09-01 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1975-09-01 | 1976-03-02 | 1976-09-01 | $7700.00 | Window Closed / Lapsed |