Patent US3705050A successfully refreshed from Google Patents.
US3705050A
Expired / Lapsed
US
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Glass article having roughened,enamel surface and method for forming same
Assignee: Kimble Glass Inc
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Filing: 1970-04-09
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Granted: 1972-12-05
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Expires: 1990-04-09
Abstract
Abstract A GLASS ARTICLE HAVING A ROUGHENED OR MATTE FINISH MARKING AREA ON ITS SURFACE CONSISTING ESSENTIALLY OF A VITREOUS ENAMEL AND TO A PROCESS FOR PRODUCING SUCH A MARKING AREA ON A SURFACE OF A GLASS ARTICLE, WHICH AREA MAY SUBSEQUENTLY BE MARKED WITH INDICIA BY A SUITABLE INSTRUMENT, SUCH AS A GRAPHITE PENCIL, AND BE CAPABLE OF RETAINING THE INDICIA IN SUCH MANNER THAT THE INDICIA WILL NOT BE SUSCEPTIBLE TO BEING READILY REMOVED DURING NORMAL HANDLING OF THE SURFACE.
Inventors
- 👤 Allison L Smith
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-31 11:45
CPC Classifications
C; C03; C03C; C03C8/00; C03C8/02; C03C8/10; C03C8/12; C03C17/00; C03C17/02; C03C3/00; C03C3/04; C03C3/062; C03C3/07; C03C3/072; C03C3/074; Y; Y10; Y10T; Y10T428/00; Y10T428/24; Y10T428/24802; Y10T428/24893; Y10T428/24926
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
No citation records indexed.
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1975-12-05 | 1976-06-05 | 1976-12-05 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1979-12-05 | 1980-06-05 | 1980-12-05 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1983-12-05 | 1984-06-05 | 1984-12-05 | $7700.00 | Window Closed / Lapsed |