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Official data from INPI

ALIMENTADOR-DOSADOR DE MATERIAIS SÓLIDOS

PublicadaInvention Patent

Application data

Number

PI8801777

Type

Invention Patent

Filing

04/11/1988

Publication

05/16/1989

Progress at the INPI

  1. Filing04/11/88
  2. Publication05/16/89
  3. Examination01/02/90
  4. Allowance
  5. Grant
  6. In force

Published on 05/16/1989, 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: 05/16/1989. We update with every new RPI gazette, published weekly.

Applicants and inventors

Applicants

Instituto de Pesquisas Espaciais - INPE

SP, BR

Presidência da República - SCT/PR - Instituto de Pesquisas Espaciais

SP, BR

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Inventors

C. B. (pessoa física)

BR

J. J. (pessoa física)

BR

M. F. (pessoa física)

BR

Technical data

IPC Classification

Prosecution history

Publications in the Brazilian Industrial Property Gazette (RPI).

Publicação antecipada

#3.2

05/16/1989

RPI 969

Pedido de patente depositado

#2.1

08/23/1988

RPI 931

Retificação

#15.3

05/24/1994

RPI 1225

14.4

06/19/1990

RPI 1023

Solicitação de exame técnico

#4.1

01/02/1990

RPI 1000

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