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Official data from INPI

MÁQUINA PARA CORTAR BLANK

PublicadaInvention Patent

Application data

Number

PI8800645

Type

Invention Patent

Filing

02/17/1988

Publication

09/19/1989

Progress at the INPI

Under appeal
  1. Filing02/17/88
  2. Publication09/19/89
  3. Examination10/09/90
  4. Refused09/08/92
  5. Grant
  6. In force

The application was refused by the INPI on 09/08/1992. The invention was never patented.

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Latest action published by the INPI: 09/19/1989. We update with every new RPI gazette, published weekly.

Applicants and inventors

Applicants

Companhia Siderúrgica Nacional - Grupo Siderbrás

RJ, BR

See this company's full portfolio

Inventors

M. S. (pessoa física)

BR

P. F. (pessoa física)

BR

Technical data

IPC Classification

Prosecution history

Publications in the Brazilian Industrial Property Gazette (RPI).

Publicação do pedido de patente

#3.1

09/19/1989

RPI 987

Pedido de patente depositado

#2.1

05/03/1988

RPI 915

Indeferimento

#9.2

09/08/1992

RPI 1136

Conhecimento de parecer técnico

#7.1

10/08/1991

RPI 1088

Solicitação de exame técnico

#4.1

10/09/1990

RPI 1036

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