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Official data from INPI

APERFEIÇOAMENTOS NO SISTEMA DE ALIMENTAÇÃO DO PENEIRAMENTO DE SÍNTER

Prazo de SigiloInvention Patent

Application data

Number

PI8804888

Type

Invention Patent

Filing

09/19/1988

Publication

05/15/1990

Progress at the INPI

Under appeal
  1. Filing09/19/88
  2. Publication05/15/90
  3. Examination05/07/91
  4. Refused04/04/95
  5. Grant
  6. In force

The application was refused by the INPI on 04/04/1995. The invention was never patented.

Talk to a specialist

Latest action published by the INPI: 02/08/1989. We update with every new RPI gazette, published weekly.

Applicants and inventors

Applicants

C. P. (pessoa física)

SP, BR

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Inventors

A. S. (pessoa física)

F. S. (pessoa física)

Technical data

IPC Classification

Prosecution history

Publications in the Brazilian Industrial Property Gazette (RPI).

Pedido de patente depositado

#2.1

02/08/1989

RPI 955

Indeferimento

#9.2

04/04/1995

RPI 1270

14.7

10/18/1994

RPI 1246

Solicitação de exame técnico

#4.1

05/07/1991

RPI 1066

Publicação do pedido de patente

#3.1

05/15/1990

RPI 1018

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