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Official data from INPI

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Em AnáliseInvention Patent
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Application data

Number

PI8801021

Type

Invention Patent

Filing

03/03/1988

Publication

06/21/1988
View on INPI

Progress at the INPI

  1. Filing03/03/88
  2. Publication06/21/88
  3. Examination02/28/89
  4. Allowance
  5. Grant
  6. In force

Published on 06/21/1988, 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: 02/28/1989. We update with every new RPI gazette, published weekly.

Applicants and inventors

Applicants

E. M. (pessoa física)

SP, BR

E. S. (pessoa física)

SP, BR

W. M. (pessoa física)

SP, BR

Inventors

E. S. (pessoa física)

Technical data

IPC Classification

C22C 19/07

Prosecution history

Publications in the Brazilian Industrial Property Gazette (RPI).

Solicitação de exame técnico

#4.1

02/28/1989

RPI 958

Solicitação de exame não realizada

#4.2

09/20/1988

RPI 935

Pedido de patente depositado

#2.1

06/21/1988

RPI 922

Publicação antecipada

#3.2

06/21/1988

RPI 922

15.20

05/05/1992

RPI 1118

Alteração de numeração

#15.1

10/01/1991

RPI 1087

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