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Official data from INPI

JUNTA PARA TUBOS, ESPECIALMENTE DE ACO OU DE LIGA, ESTANQUE A PRESSAO ELEVADA

Em AnáliseInvention Patent

Application data

Number

PI8300752

Type

Invention Patent

Filing

02/18/1982

Publication

11/16/1983

Progress at the INPI

  1. Filing02/18/82
  2. Publication11/16/83
  3. Examination09/18/84
  4. Allowance
  5. Grant
  6. In force

Published on 11/16/1983, the application is awaiting technical examination at the INPI, which decides whether the invention meets the patentability requirements.

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Latest action published by the INPI: 01/13/1987. We update with every new RPI gazette, published weekly.

Applicants and inventors

Applicants

VALLOUREC [FR]

Inventors

P. B. (pessoa física)

Technical data

IPC Classification

Prosecution history

Publications in the Brazilian Industrial Property Gazette (RPI).

101

01/13/1987

RPI 847

Recurso

#12.1

09/16/1986

RPI 830

Deferimento

#9.1

05/27/1986

RPI 814

Republicação - classificação IPC

#15.11

10/15/1985

RPI 782

Exigência - art. 36 da LPI

#6.1

05/28/1985

RPI 762

Pedido de certificado de adição de invenção

#5.1

02/12/1985

RPI 747

Solicitação de exame técnico

#4.1

09/18/1984

RPI 726

Publicação do pedido de patente

#3.1

11/16/1983

RPI 682

Pedido de patente depositado

#2.1

04/05/1983

RPI 650

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