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US3705050A Expired / Lapsed US ⏱️ 0.0 years remaining

Glass article having roughened,enamel surface and method for forming same

Assignee: Kimble Glass Inc
•
Filing: 1970-04-09
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Granted: 1972-12-05
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Expires: 1990-04-09
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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 09:53
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)

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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) 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

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