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Official data from INPI

SISTEMA DE BALANCEAMENTO AUTOMÁTICO DE BOBINAS OSCILANTES, INDUTIVAMENTE ACOPLADAS, PARA APLICAÇÃO EM DETECTORES DE METAIS.

Prazo de SigiloInvention Patent

Application data

Number

PI8802753

Type

Invention Patent

Filing

06/02/1988

Publication

01/16/1990

Progress at the INPI

  1. Filing06/02/88
  2. Publication01/16/90
  3. Examination09/18/90
  4. Allowance12/01/92
  5. Grant08/31/93
  6. Terminated10/24/95

The patent was granted on 08/31/1993 and later terminated for failure to pay the annuities. The technology is in the public domain in Brazil.

Talk to a specialist

Latest action published by the INPI: 11/01/1988. We update with every new RPI gazette, published weekly.

Applicants and inventors

Applicants

Brapenta Eletrônica Ltda

SP, BR

Inventors

M. I. (pessoa física)

BR

Technical data

IPC Classification

Prosecution history

Publications in the Brazilian Industrial Property Gazette (RPI).

Pedido de patente depositado

#2.1

11/01/1988

RPI 941

Anuidade - prazo legal encerrado

#18.2

10/24/1995

RPI 1299

Concessão da patente

#16.1

08/31/1993

RPI 1187

Notificação para pagamento de retribuição

#13.1

04/20/1993

RPI 1168

Deferimento

#9.1

12/01/1992

RPI 1148

Solicitação de exame técnico

#4.1

09/18/1990

RPI 1033

Publicação do pedido de patente

#3.1

01/16/1990

RPI 1002

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