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Official data from INPI

CHAPA ZINCADA COM ELEVADA RESISTÊNCIA MECÂNICA

Em AnáliseInvention Patent
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Application data

Number

PI8605720

Type

Invention Patent

Filing

11/20/1986

Publication

06/21/1988
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Progress at the INPI

  1. Filing11/20/86
  2. Publication06/21/88
  3. Abandoned10/03/89
  4. Allowance
  5. Grant
  6. 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: 10/03/1989. We update with every new RPI gazette, published weekly.

Applicants and inventors

Applicants

Companhia Siderúrgica Nacional - CSN

RJ, BR

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Inventors

E. R. (pessoa física)

BR

I. F. (pessoa física)

BR

R. B. (pessoa física)

BR

Technical data

IPC Classification

C22C 38/12

Prosecution history

Publications in the Brazilian Industrial Property Gazette (RPI).

Solicitação de exame técnico

#4.1

10/03/1989

RPI 989

Publicação do pedido de patente

#3.1

06/21/1988

RPI 922

Pedido de patente depositado

#2.1

04/14/1987

RPI 860

Arquivamento - Art. 36 §1° da LPI

#11.2

09/23/1997

RPI 1399

Exigência - art. 36 da LPI

#6.1

10/01/1996

RPI 1348

Exigência - art. 36 da LPI

#6.1

09/08/1992

RPI 1136

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