Official data from INPI

PROCESSO DE PRODUÇÃO DE FERRO FUNDIDO CINZENTO DE GRAFITA ESFEROIDAL OU VERMICULAR

Prazo de SigiloInvention Patent

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Application data

Number

PI8904037

Type

Invention Patent

Filing

08/10/1989

Publication

03/20/1990

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Progress at the INPI

Filing08/10/89
Publication03/20/90
Abandoned05/12/92
Allowance
Grant
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: 10/31/1989. We update with every new RPI gazette, published weekly.

Applicants and inventors

Applicants

P. E. (pessoa física)

Inventors

C. D. (pessoa física)

J. P. (pessoa física)

Technical data

IPC Classification

C21C 1/10

Priority claims

PV 8811190 · 08/12/1988

Prosecution history

Publications in the Brazilian Industrial Property Gazette (RPI).

Pedido de patente depositado

#2.1

10/31/1989

RPI 993

Arquivamento - Art. 36 §1° da LPI

#11.2

12/24/1996

RPI 1360

6.2

03/12/1996

RPI 1319

Solicitação de exame técnico

#4.1

05/12/1992

RPI 1119

Publicação do pedido de patente

#3.1

03/20/1990

RPI 1010

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