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Official data from INPI

PROCESSO PARA PRODUÇÀO DE FERRO FUNDIDO COM GRAFITA VERMICULAR E DISPOSITIVO PARA REALIZAR O MESMO

Em ExigênciaInvention Patent

Application data

Number

PI8501548

Type

Invention Patent

Filing

04/02/1985

Publication

11/26/1985

Progress at the INPI

Technical opinion to answer
  1. Filing04/02/85
  2. Publication11/26/85
  3. Examination05/06/86
  4. Allowance
  5. Grant
  6. In force

The INPI issued a technical opinion on patentability. The applicant must respond for examination to continue.

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Latest action published by the INPI: 05/30/1989. We update with every new RPI gazette, published weekly.

Applicants and inventors

Applicants

G. A. (pessoa física)

DE

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Inventors

U. B. (pessoa física)

CH

W. M. (pessoa física)

CH

Technical data

IPC Classification

Priority claims

CH

1868/84-5 · 04/13/1984

Prosecution history

Publications in the Brazilian Industrial Property Gazette (RPI).

6.2

05/30/1989

RPI 971

Solicitação de exame técnico

#4.1

05/06/1986

RPI 811

Publicação do pedido de patente

#3.1

11/26/1985

RPI 788

Pedido de patente depositado

#2.1

06/25/1985

RPI 766

Retificação

#15.3

10/13/1992

RPI 1141

Conhecimento de parecer técnico

#7.1

11/05/1991

RPI 1092

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