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Official data from INPI

CONSTRUÇÃO MODULADA DE FIBRA CERÂMICA COLADA DIRETAMENTE NA CHAPARIA DE FORNOS INDUSTRIAIS EM GERAL

Em AnáliseInvention Patent
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Application data

Number

PI8202810

Type

Invention Patent

Filing

05/14/1982

Publication

07/05/1983
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Progress at the INPI

  1. Filing05/14/82
  2. Publication07/05/83
  3. Examination10/25/83
  4. Refused07/14/87
  5. Grant
  6. In force

The application was refused on 07/14/1987 and the appeal did not change the decision. The invention was never patented and the technology is in the public domain in Brazil.

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Latest action published by the INPI: 07/14/1987. We update with every new RPI gazette, published weekly.

Applicants and inventors

Applicants

Babcok & Wilcox Fibras Cerâmicas Ltda

RJ, BR

Inventors

A. R. (pessoa física)

BR

Technical data

IPC Classification

F27D 1/04

Prosecution history

Publications in the Brazilian Industrial Property Gazette (RPI).

111

07/14/1987

RPI 873

120

09/23/1986

RPI 831

8.1

02/20/1985

RPI 748

Indeferimento

#9.2

08/07/1984

RPI 720

4.1.1

03/13/1984

RPI 699

Solicitação de exame técnico

#4.1

10/25/1983

RPI 679

Publicação antecipada

#3.2

07/05/1983

RPI 663

Pedido de patente depositado

#2.1

06/14/1983

RPI 660

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