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Official data from INPI

SISTEMA DE PROCESSAMENTO DE DADOS

Prazo de SigiloInvention Patent

Application data

Number

PI8903173

Type

Invention Patent

Filing

06/28/1989

Publication

03/06/1990

Progress at the INPI

  1. Filing06/28/89
  2. Publication03/06/90
  3. Examination04/14/92
  4. Allowance
  5. Grant
  6. In force

Published on 03/06/1990, 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: 10/10/1989. We update with every new RPI gazette, published weekly.

Applicants and inventors

Applicants

I. C. (pessoa física)

US

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Inventors

H. L. (pessoa física)

P. D. (pessoa física)

S. G. (pessoa física)

Technical data

IPC Classification

Priority claims

US

212.432 · 06/28/1988

Prosecution history

Publications in the Brazilian Industrial Property Gazette (RPI).

Pedido de patente depositado

#2.1

10/10/1989

RPI 990

Retificação

#15.3

11/21/1995

RPI 1303

Solicitação de exame técnico

#4.1

04/14/1992

RPI 1115

Publicação do pedido de patente

#3.1

03/06/1990

RPI 1008

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