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Official data from INPI

ANEL POROSO ALUMINOSO PARA AINJEÇÃO DEE GÁS INERTE EM PLACA FIXA NO SITEMA DE VÁLVULA-GAVETA DE PANELA DE AÇO EM ESTADO DE FUSÃO NO LINGOTAMENTO CONTÍNUO

Em AnáliseInvention Patent

Application data

Number

PI8502007

Type

Invention Patent

Filing

04/24/1985

Publication

12/02/1986

Progress at the INPI

Technical opinion to answer
  1. Filing04/24/85
  2. Publication12/02/86
  3. Examination03/17/87
  4. Allowance
  5. Grant
  6. In force

The INPI issued a technical opinion on patentability. The applicant must respond for examination to continue.

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Latest action published by the INPI: 03/17/1987. We update with every new RPI gazette, published weekly.

Applicants and inventors

Applicants

C. F. (pessoa física)

SP, BR

Inventors

C. F. (pessoa física)

BR

Technical data

IPC Classification

Prosecution history

Publications in the Brazilian Industrial Property Gazette (RPI).

Solicitação de exame técnico

#4.1

03/17/1987

RPI 856

Publicação do pedido de patente

#3.1

12/02/1986

RPI 841

Pedido de patente depositado

#2.1

07/09/1985

RPI 768

Retificação

#15.3

10/13/1992

RPI 1141

Conhecimento de parecer técnico

#7.1

09/03/1991

RPI 1083

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