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Official data from INPI

VIRADOR DE VAGÕES COM BITOLA DUPLA

PublicadaInvention Patent

Application data

Number

PI8706467

Type

Invention Patent

Filing

11/23/1987

Publication

06/20/1989

Progress at the INPI

  1. Filing11/23/87
  2. Publication06/20/89
  3. Abandoned
  4. Allowance
  5. Grant
  6. In force

The application was abandoned: examination was not requested within the 36 months following the 11/23/1987 filing, the deadline set by art. 33 of the Brazilian IP Act. The technology is in the public domain in Brazil.

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Latest action published by the INPI: 06/20/1989. We update with every new RPI gazette, published weekly.

Applicants and inventors

Applicants

Aço Minas Gerais S/A - Açominas

MG, BR

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Inventors

C. S. (pessoa física)

J. S. (pessoa física)

BR

J. L. (pessoa física)

L. S. (pessoa física)

R. R. (pessoa física)

Technical data

IPC Classification

Prosecution history

Publications in the Brazilian Industrial Property Gazette (RPI).

Publicação do pedido de patente

#3.1

06/20/1989

RPI 974

Pedido de patente depositado

#2.1

01/03/1989

RPI 950

Arquivamento - Art. 33 da LPI

#11.1

09/24/1991

RPI 1086

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