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Official data from INPI

COMPOSIÇÃO VÍTREA PARA UTILIZAÇÃO EM ESMALTES OU VITRIFICADOS E MÉTODO DE APLICAR UMA COMPOSIÇÃO DE ESMALTE OU VITRIFICADA SOBRE UM ARTIGO

ArquivadaInvention Patent
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Application data

Number

PI8905819

Type

Invention Patent

Filing

11/17/1989

Publication

06/12/1990
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Progress at the INPI

  1. Filing11/17/89
  2. Publication06/12/90
  3. Abandoned09/15/92
  4. Allowance
  5. Grant
  6. In force

The application was abandoned: the INPI technical office action was not answered in time (art. 36 of the Brazilian IP Act). The technology is in the public domain in Brazil.

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Latest action published by the INPI: 11/03/1998. We update with every new RPI gazette, published weekly.

Applicants and inventors

Applicants

Johnson Matthey Public Limited Company

GB

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Inventors

J. M. (pessoa física)

Technical data

IPC Classification

C03C 17/02C03C 8/02C03C 8/14

Priority claims

GB

88/27096.2 · 11/19/1988

GB

89/20941.5 · 09/15/1989

Prosecution history

Publications in the Brazilian Industrial Property Gazette (RPI).

Arquivamento - Art. 36 §1° da LPI

#11.2

11/03/1998

RPI 1452

Exigência - art. 36 da LPI

#6.1

04/07/1998

RPI 1424

Exigência - art. 36 da LPI

#6.1

10/17/1995

RPI 1298

Solicitação de exame técnico

#4.1

09/15/1992

RPI 1137

Publicação do pedido de patente

#3.1

06/12/1990

RPI 1022

Pedido de patente depositado

#2.1

03/13/1990

RPI 1009

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