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Official data from INPI

SUPORTE DE FIXAÇÃO DOS ROLOS DEFLETORES UTILIZADO EM POÇO DE ACUMULAÇÃO DE LINHAS CONTÍNUAS PARA TRATAMENTO DE CHAPAS FINAS.

ArquivadaInvention Patent

Application data

Number

PI8105552

Type

Invention Patent

Filing

09/01/1981

Publication

04/05/1983

Progress at the INPI

  1. Filing09/01/81
  2. Publication04/05/83
  3. Abandoned02/28/84
  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: 07/02/1985. We update with every new RPI gazette, published weekly.

Applicants and inventors

Applicants

Companhia Siderúrgica Nacional - CSN

RJ, BR

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Inventors

C. D. (pessoa física)

C. M. (pessoa física)

Technical data

IPC Classification

Prosecution history

Publications in the Brazilian Industrial Property Gazette (RPI).

Arquivamento - Art. 36 §1° da LPI

#11.2

07/02/1985

RPI 767

Exigência - art. 36 da LPI

#6.1

11/06/1984

RPI 733

Solicitação de exame técnico

#4.1

02/28/1984

RPI 697

Publicação do pedido de patente

#3.1

04/05/1983

RPI 650

Pedido de patente depositado

#2.1

10/13/1981

RPI 573

Republicação - classificação IPC

#15.11

Procedimento automático de reclassificação. A classificação IPC anterior era B21B 37/08.

03/27/2018

RPI 2464

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