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Official data from INPI

PROCESSO PARA REPARO DOS REFRATÁRIOS DA REGIÃO DE DIFUSÃO DO QUEIMADOR CERÂMICO

Em AnáliseInvention Patent

Application data

Number

PI9006084

Type

Invention Patent

Filing

11/30/1990

Publication

07/14/1992

Progress at the INPI

  1. Filing11/30/90
  2. Publication07/14/92
  3. Abandoned04/27/93
  4. Allowance
  5. Grant
  6. In force

The applicant withdrew the application. The case ended without a patent.

Talk to a specialist

Latest action published by the INPI: 08/13/1996. We update with every new RPI gazette, published weekly.

Applicants and inventors

Applicants

Instituto de Pesquisas Tecnológicas de São Paulo S/A - IPT

SP, BR

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Inventors

O. M. (pessoa física)

BR

Technical data

IPC Classification

Prosecution history

Publications in the Brazilian Industrial Property Gazette (RPI).

10.1

08/13/1996

RPI 1341

Solicitação de exame técnico

#4.1

04/27/1993

RPI 1169

Publicação do pedido de patente

#3.1

07/14/1992

RPI 1128

Pedido de patente depositado

#2.1

05/14/1991

RPI 1067

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