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Official data from INPI

PROCESSO CONSTRUTIVO DE PAREDE DIAFRAGMA COM UTILIZAÇÃO DE COMPORTAS ENTRE MURETAS-GUIA.

Em AnáliseInvention Patent

Application data

Number

PI8604544

Type

Invention Patent

Filing

09/12/1986

Publication

06/02/1987

Progress at the INPI

  1. Filing09/12/86
  2. Publication06/02/87
  3. Examination08/18/87
  4. Allowance02/13/90
  5. Grant09/25/90
  6. Terminated06/18/96

The patent was granted on 09/25/1990 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: 08/18/1987. We update with every new RPI gazette, published weekly.

Applicants and inventors

Applicants

Fundação Centro Tecnológico de Minas Gerais/Cetec

MG, BR

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Inventors

J. L. (pessoa física)

BR

Technical data

IPC Classification

Prosecution history

Publications in the Brazilian Industrial Property Gazette (RPI).

Solicitação de exame técnico

#4.1

08/18/1987

RPI 878

Publicação antecipada

#3.2

06/02/1987

RPI 867

Pedido de patente depositado

#2.1

03/24/1987

RPI 857

Anuidade - prazo legal encerrado

#18.2

06/18/1996

RPI 1333

Concessão da patente

#16.1

09/25/1990

RPI 1034

Notificação para pagamento de retribuição

#13.1

06/05/1990

RPI 1021

Deferimento

#9.1

02/13/1990

RPI 1006

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