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Official data from INPI

Sistema de aquisição do numero de B.

PublicadaInvention Patent
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Application data

Number

PI8704456

Type

Invention Patent

Filing

07/06/1987

Publication

02/28/1989
View on INPI

Progress at the INPI

  1. Filing07/06/87
  2. Publication02/28/89
  3. Examination09/25/90
  4. Allowance
  5. Grant
  6. In force

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

Applicants and inventors

Applicants

Dígitro Sistremas Eletrônicos Ltda

Inventors

M. E. (pessoa física)

Technical data

IPC Classification

No IPC classification.

Prosecution history

Publications in the Brazilian Industrial Property Gazette (RPI).

Publicação do pedido de patente

#3.1

02/28/1989

RPI 958

Pedido de patente depositado

#2.1

09/06/1988

RPI 933

Alteração de numeração

#15.1

09/17/1991

RPI 1085

15.7

10/23/1990

RPI 1038

Solicitação de exame técnico

#4.1

09/25/1990

RPI 1034

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