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Official data from INPI

SEM TITULO

PublicadaInvention Patent
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Application data

Number

PI8801829

Type

Invention Patent

Filing

04/15/1988

Publication

11/14/1989
View on INPI

Progress at the INPI

  1. Filing04/15/88
  2. Publication11/14/89
  3. Examination08/07/90
  4. Allowance
  5. Grant
  6. In force

Published on 11/14/1989, 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: 11/14/1989. We update with every new RPI gazette, published weekly.

Applicants and inventors

Applicants

Gravações Eletricas S/A

SP, BR

Inventors

E. B. (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

11/14/1989

RPI 995

Pedido de patente depositado

#2.1

09/06/1988

RPI 933

Retificação

#15.3

09/28/1993

RPI 1191

Solicitação de exame técnico

#4.1

08/07/1990

RPI 1027

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