Official data from INPI

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Em AnáliseInvention Patent

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Application data

Number

PI8603983

Type

Invention Patent

Filing

08/21/1986

Publication

04/12/1988

View on INPI

Progress at the INPI

Filing08/21/86
Publication04/12/88
Examination10/18/88
Allowance
Grant
In force

Published on 04/12/1988, the application is awaiting technical examination at the INPI, which decides whether the invention meets the patentability requirements.

Latest action published by the INPI: 10/18/1988. We update with every new RPI gazette, published weekly.

Applicants and inventors

Applicants

Charcoal Industrial Ltda

SP, BR

Inventors

S. S. (pessoa física)

Technical data

IPC Classification

C10L 5/14 C10L 5/24

Prosecution history

Publications in the Brazilian Industrial Property Gazette (RPI).

Solicitação de exame técnico

#4.1

10/18/1988

RPI 939

Publicação do pedido de patente

#3.1

04/12/1988

RPI 912

Pedido de patente depositado

#2.1

03/17/1987

RPI 856

Retificação

#15.3

10/13/1992

RPI 1141

Republicação - classificação IPC

#15.11

09/15/1992

RPI 1137

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