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Official data from INPI

PROCESSO DE OBTENCAO DE PECAS MOLDADAS OU CONFORMADAS,COM ALTO TEOR DE OXIDO DE ALUMINIO CRISTALINO RESISTENTES A CORROSAO,A ABRASAO E DESGASTE POR SOLICITACAO MECANICAS E TEMPERATURAS AUMENTADAS

IndeferidaInvention Patent
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Application data

Number

PI7902063

Type

Invention Patent

Filing

04/04/1979

Publication

-
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Progress at the INPI

Under appeal
  1. Filing04/04/79
  2. Publication
  3. Examination
  4. Refused09/30/86
  5. Grant
  6. In force

The application was refused by the INPI on 09/30/1986. The invention was never patented.

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Latest action published by the INPI: 09/30/1986. We update with every new RPI gazette, published weekly.

Applicants and inventors

Applicants

C. P. (pessoa física)

Inventors

No inventors listed.

Technical data

IPC Classification

No IPC classification.

Prosecution history

Publications in the Brazilian Industrial Property Gazette (RPI).

Indeferimento

#9.2

09/30/1986

RPI 832

Conhecimento de parecer técnico

#7.1

10/08/1985

RPI 781

Pedido de certificado de adição de invenção

#5.1

12/22/1981

RPI 583

15.0

10/13/1981

RPI 573

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