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Official data from INPI

SISTEMA DE TRANSFORMAÇÃO DE POTENCIAL ELÉTRICO UTILIZANDO O TRANSDUTOR DE POTENCIAL PIEZOELÉTRICO-ÓTICO

Prazo de SigiloInvention Patent

Application data

Number

PI8805172

Type

Invention Patent

Filing

10/04/1988

Publication

05/22/1990

Progress at the INPI

  1. Filing10/04/88
  2. Publication05/22/90
  3. Examination01/15/91
  4. Allowance
  5. Grant
  6. In force

Published on 05/22/1990, 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: 02/14/1989. We update with every new RPI gazette, published weekly.

Applicants and inventors

Applicants

C. E. (pessoa física)

PR, BR

Inventors

F. U. (pessoa física)

BR

G. C. (pessoa física)

BR

R. R. (pessoa física)

BR

Technical data

IPC Classification

Prosecution history

Publications in the Brazilian Industrial Property Gazette (RPI).

Pedido de patente depositado

#2.1

02/14/1989

RPI 956

15.7

10/20/1992

RPI 1142

Retificação

#15.3

06/16/1992

RPI 1124

15.7

08/27/1991

RPI 1082

Solicitação de exame técnico

#4.1

01/15/1991

RPI 1050

Publicação do pedido de patente

#3.1

05/22/1990

RPI 1019

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