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Official data from INPI

PROCESSO PARA ABERTURA DE UMA PARTE FECHADA DE UM ORIFICIO PARA VAZAMENTO DE ACO FUNDIDO EM UM DISPOSITIVO DE TAMPA CORREDICA

Em ExigênciaInvention Patent

Application data

Number

PI8404910

Type

Invention Patent

Filing

09/30/1983

Publication

08/20/1985

Progress at the INPI

  1. Filing09/30/83
  2. Publication08/20/85
  3. Abandoned02/25/86
  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.

Talk to a specialist

Latest action published by the INPI: 05/23/1989. We update with every new RPI gazette, published weekly.

Applicants and inventors

Applicants

KUROSAKI REFRACTORIES CO [JP]

NIPPON STEEL CORP [JP]

Inventors

G. T. (pessoa física)

K. K. (pessoa física)

S. T. (pessoa física)

T. K. (pessoa física)

Technical data

IPC Classification

Prosecution history

Publications in the Brazilian Industrial Property Gazette (RPI).

Exigência - art. 36 da LPI

#6.1

05/23/1989

RPI 970

6.2

07/26/1988

RPI 927

Solicitação de exame técnico

#4.1

02/25/1986

RPI 801

Publicação do pedido de patente

#3.1

08/20/1985

RPI 774

Pedido de patente depositado

#2.1

12/11/1984

RPI 738

Arquivamento - Art. 36 §1° da LPI

#11.2

01/23/1990

RPI 1003

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