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US2668783A Expired / Lapsed US ⏱️ 0.0 years remaining

Process of surface finishing glass and article produced thereby

Assignee: Anchor Hocking Glass Corp
•
Filing: 1949-10-21
•
Granted: 1954-02-09
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Expires: 1969-10-21
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Abstract

No abstract record available.

Inventors

  • 👤 William J Migley

Bibliographic Details

Application Number —
Jurisdiction US
Data Source google_patents
Last Synchronized 2026-10-23 18:33
CPC Classifications
C; C03; C03C; C03C17/00; C03C17/02; Y; Y10; Y10T; Y10T428/00; Y10T428/31; Y10T428/315

Claims Analysis

Total Claims: 2
Claim 1
Independent Claim 222 words
THE PROCESS FOR FORMING A DECORATIVE COATING ON A GLASS ARTICLE COMPRISING COMPOUNDING FRITFORMING, GLASS-SURFACING MATERIALS IN A POWDERED GRANULAR MIXTURE, BRINGING SAID MIXTURE TO AND NOT ABOVE ITS FUSION POINT, AND MAINTAINING THE MIXTURE AT THIS TEMPERATURE TO AVOID EXCEEDING THE FUSION POINT, HARDENING AND FRACTURING SAID FUSED MIXTURE BY LIQUID IMMERSION AS SOON AS THE MASS BECOMES MOLTEN AND GRINDING AND MIXING IT IN A LIQUID MEDIUM WITH POWDERY PARTICLES OF A HIGHER MELTING COMPOUND TO PROVIDE A LIQUID SUSPENSION THEREOF, SAID HIGH MELTING PARTICLES BEING ADAPTED TO IMPART A SATINY FINISH TO THE FINAL COATING, COATING SAID LIQUID SUSPENSION AS A FILM ON THE SURFACE OF SAID ARTICLE AND PROGRESSIVELY INCREASING THE TEMPERATURE OF SAID COATING AND ARTICLE TO THE POINT OF FUSION OF THE FRIT PARTICLES WHEREBY INITIAL DEVELOPMENT OF A GLOSS FOLLOWS BUT BELOW THE MELTING POINT OF SAID POWDERY PARTICLES, SO THAT THERE IS ACCUMULATED IN SAID FILM AT THE OUTER SURFACE THEREOF A RELATIVELY LARGE PROPORTION OF SAID HIGHER MELTING PARTICLES IN SUFFICIENT CONCENTRATION THERE TO PREDOMINATE OVER SAID INITIAL GLOSS AND IMPART A SATINY FINISH TO THE SURFACE OF THE FILM, AND THEN IMMEDIATELY TERMINATING SAID HEATING AT SAID POINT AND BEFORE THE SPREADING OF THE MELTED INGREDIENTS INTO A GLOSS, AND THEREBY FIXING SAID SATINY SURFACE AS A PERMANENT DECORATION OF SAID ARTICLES.
Claim 2
Dependent Claim 222 words
THE PROCESS FOR FORMING A DECORATIVE COATING ON A GLASS ARTICLE COMPRISING COMPOUNDING FRITFORMING, GLASS-SURFACING MATERIALS IN A POWDERED GRANULAR MIXTURE, BRINGING SAID MIXTURE TO AND NOT ABOVE ITS FUSION POINT, AND MAINTAINING THE MIXTURE AT THIS TEMPERATURE TO AVOID EXCEEDING THE FUSION POINT, HARDENING AND FRACTURING SAID FUSED MIXTURE BY LIQUID IMMERSION AS SOON AS THE MASS BECOMES MOLTEN AND GRINDING AND MIXING IT IN A LIQUID MEDIUM WITH POWDERY PARTICLES OF A HIGHER MELTING COMPOUND TO PROVIDE A LIQUID SUSPENSION THEREOF, SAID HIGH MELTING PARTICLES BEING ADAPTED TO IMPART A SATINY FINISH TO THE FINAL COATING, COATING SAID LIQUID SUSPENSION AS A FILM ON THE SURFACE OF SAID ARTICLE AND PROGRESSIVELY INCREASING THE TEMPERATURE OF SAID COATING AND ARTICLE TO THE POINT OF FUSION OF THE FRIT PARTICLES WHEREBY INITIAL DEVELOPMENT OF A GLOSS FOLLOWS BUT BELOW THE MELTING POINT OF SAID POWDERY PARTICLES, SO THAT THERE IS ACCUMULATED IN SAID FILM AT THE OUTER SURFACE THEREOF A RELATIVELY LARGE PROPORTION OF SAID HIGHER MELTING PARTICLES IN SUFFICIENT CONCENTRATION THERE TO PREDOMINATE OVER SAID INITIAL GLOSS AND IMPART A SATINY FINISH TO THE SURFACE OF THE FILM, AND THEN IMMEDIATELY TERMINATING SAID HEATING AT SAID POINT AND BEFORE THE SPREADING OF THE MELTED INGREDIENTS INTO A GLOSS, AND THEREBY FIXING SAID SATINY SURFACE AS A PERMANENT DECORATION OF SAID ARTICLES.

References Cited (Backward Citations)

US748851A Cited
US2169194A Cited
US2225161A Cited
GB531146A Cited
US2397005A Cited

USPTO Annuity & Maintenance Windows

Annuity Stage Window Opens Payment Deadline Surcharge Period Until Estimated Fee Status
3.5 Years (Year 4) 1957-02-08 1957-08-10 1958-02-09 $2000.00 Window Closed / Lapsed
7.5 Years (Year 8) 1961-02-08 1961-08-10 1962-02-09 $3760.00 Window Closed / Lapsed
11.5 Years (Year 12) 1965-02-08 1965-08-10 1966-02-09 $7700.00 Window Closed / Lapsed

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