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US2835601A Expired / Lapsed US ⏱️ 0.0 years remaining

Production of ceramic ware

Assignee: Pemco Corp
•
Filing: 1953-06-24
•
Granted: 1958-05-20
•
Expires: 1973-06-24
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Abstract

No abstract record available.

Inventors

  • 👤 Maryland Union Trust Compan Of
  • 👤 Turk Margaret Mccauley
  • 👤 Richard H Turk
  • 👤 Turk Herbert
  • 👤 Jr Karl Trurk

Bibliographic Details

Application Number —
Jurisdiction US
Data Source google_patents
Last Synchronized 2026-10-27 23:47
CPC Classifications
C; C04; C04B; C04B41/00; C04B41/009; C04B41/45; C04B41/50; C04B41/5022; C04B41/80; C04B41/81; C04B41/85; C04B41/86

Claims Analysis

Total Claims: 2
Claim 1
Independent Claim 224 words
THE METHOD OF PRODUCING CERAMIC WARE PROVIDED WITH A DECORATIVE FIRED CERAMIC GLAZE COMPRISING FORMING A MIXTURE OF FINELY DIVIDED PIGMENT PARTICLES, FINELY DIVIDED INORGANIC FLUX, AND AN ORGANIC THERMOPLASTIC BINDER, SAID PIGMENT PARTICLES AND FLUX BEING SUBSTANTIALLY INSOLUBLE IN SAID BINDER, SAID FLUX HAVING A FLUXING TEMPERATURE LOWER THAN THE MATURING AND FIRING TEMPERATURE OF SAID CERAMIC GLAZE, SAID THERMOPLASTIC BINDER BEING A SOLID AT A TEMPERATURE BELOW 150*F. AND HAVING THE PROPERTY OF BEING TRANSFORMED INTO A VISCOUS LIQUID ON HEATING, CONVERTING SAID MIXTURE INTO SOLID COARSE COMPOSITE CONGLOMERATE PARTICLES WHEREIN A MULTIPLICITY OF PIGMENT PARTICLES ARE DISTRIBUTED THROUGH SAID HELD IN SAID COMPOSITE PARTICLES BY THE SIOLID BINDER, MIXING A SMALL AMOUNT OF THE COMPOSITE CONGLOMERATE PARTICLES WITH A CERAMIC GLAZE OF A PREDETERMINED APPEARANCE WHILE MAINTAINING SAID CONGLOMERATE PARTICLES IN A SOLID STATE, APPLYING THE RESULTING MIXTURE TO THE WARE AND FIRING SAID MIXTURE AT THE MATURING TEMPERATURE OF THE CERAMIC GLAZE, SAID COMPOSITE CONGLOMERATE PARTICLES BEING CONVERTED FROM A SOLID TO A LIQUID STATE AT A TEMPERATURE BELOW THE MATURING TEMPERATURE OF THE GLAZE TO THEREBY RELEASE THE FINELY DIVIDED PIGMENT PARTICLES, THE LATTER CONTRASTING IN APPEARANCE WITH THE PREDETERMINED APPEARANCE OF THE FIRED GLAZE, SAID BINDER VOLATIZING WITH SUBSTANTIALLY NO RESIDUE AT A TEMPERATURE BELOW THAT AT WHICH THE SURFACE OF THE CERAMIC GLAZE BEGINS TO FUSE OVER.
Claim 2
Independent Claim 224 words
THE METHOD OF PRODUCING CERAMIC WARE PROVIDED WITH A DECORATIVE FIRED CERAMIC GLAZE COMPRISING FORMING A MIXTURE OF FINELY DIVIDED PIGMENT PARTICLES, FINELY DIVIDED INORGANIC FLUX, AND AN ORGANIC THERMOPLASTIC BINDER, SAID PIGMENT PARTICLES AND FLUX BEING SUBSTANTIALLY INSOLUBLE IN SAID BINDER, SAID FLUX HAVING A FLUXING TEMPERATURE LOWER THAN THE MATURING AND FIRING TEMPERATURE OF SAID CERAMIC GLAZE, SAID THERMOPLASTIC BINDER BEING A SOLID AT A TEMPERATURE BELOW 150*F. AND HAVING THE PROPERTY OF BEING TRANSFORMED INTO A VISCOUS LIQUID ON HEATING, CONVERTING SAID MIXTURE INTO SOLID COARSE COMPOSITE CONGLOMERATE PARTICLES WHEREIN A MULTIPLICITY OF PIGMENT PARTICLES ARE DISTRIBUTED THROUGH SAID HELD IN SAID COMPOSITE PARTICLES BY THE SIOLID BINDER, MIXING A SMALL AMOUNT OF THE COMPOSITE CONGLOMERATE PARTICLES WITH A CERAMIC GLAZE OF A PREDETERMINED APPEARANCE WHILE MAINTAINING SAID CONGLOMERATE PARTICLES IN A SOLID STATE, APPLYING THE RESULTING MIXTURE TO THE WARE AND FIRING SAID MIXTURE AT THE MATURING TEMPERATURE OF THE CERAMIC GLAZE, SAID COMPOSITE CONGLOMERATE PARTICLES BEING CONVERTED FROM A SOLID TO A LIQUID STATE AT A TEMPERATURE BELOW THE MATURING TEMPERATURE OF THE GLAZE TO THEREBY RELEASE THE FINELY DIVIDED PIGMENT PARTICLES, THE LATTER CONTRASTING IN APPEARANCE WITH THE PREDETERMINED APPEARANCE OF THE FIRED GLAZE, SAID BINDER VOLATIZING WITH SUBSTANTIALLY NO RESIDUE AT A TEMPERATURE BELOW THAT AT WHICH THE SURFACE OF THE CERAMIC GLAZE BEGINS TO FUSE OVER.

References Cited (Backward Citations)

US2318803A Cited
US2461878A Cited
US2508735A Cited
US2617740A Cited

USPTO Annuity & Maintenance Windows

Annuity Stage Window Opens Payment Deadline Surcharge Period Until Estimated Fee Status
3.5 Years (Year 4) 1961-05-19 1961-11-18 1962-05-20 $2000.00 Window Closed / Lapsed
7.5 Years (Year 8) 1965-05-19 1965-11-18 1966-05-20 $3760.00 Window Closed / Lapsed
11.5 Years (Year 12) 1969-05-19 1969-11-18 1970-05-20 $7700.00 Window Closed / Lapsed

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