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Official data from INPI

PRODUTO COMPÓSITO COM ENVOLTÓRIO TUBULAR METÁLICO DE GRANDE COMPRIMENTO E PROCESSO DE TRATAMENTO DOS BANHOS METÁLICOS

PublicadaInvention Patent

Application data

Number

PI8800405

Type

Invention Patent

Filing

02/02/1988

Publication

09/20/1988

Progress at the INPI

  1. Filing02/02/88
  2. Publication09/20/88
  3. Examination07/24/90
  4. Allowance
  5. Grant
  6. In force

Published on 09/20/1988, 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: 09/20/1988. We update with every new RPI gazette, published weekly.

Applicants and inventors

Applicants

Affival

FR

Inventors

M. D. (pessoa física)

FR

Technical data

IPC Classification

Priority claims

FR

8701433 · 02/03/1987

Prosecution history

Publications in the Brazilian Industrial Property Gazette (RPI).

Publicação do pedido de patente

#3.1

09/20/1988

RPI 935

Pedido de patente depositado

#2.1

05/10/1988

RPI 916

Retificação

#15.3

04/26/1994

RPI 1221

Solicitação de exame técnico

#4.1

07/24/1990

RPI 1025

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