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Official data from INPI

MODULOS DE SAIDA D'AGUA APLICAVEIS A DISPOSITIVOS ELETRICOS DE AQUECIMENTO

Em AnáliseInvention Patent

Application data

Number

PI8400643

Type

Invention Patent

Filing

02/10/1984

Publication

09/24/1985

Progress at the INPI

  1. Filing02/10/84
  2. Publication09/24/85
  3. Examination03/18/86
  4. Allowance12/16/86
  5. Grant08/25/87
  6. Terminated02/25/92

The patent was granted on 08/25/1987 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: 03/21/1989. We update with every new RPI gazette, published weekly.

Applicants and inventors

Applicants

BECKER METALURGICA [BR]

Inventors

B. D. (pessoa física)

Technical data

IPC Classification

Prosecution history

Publications in the Brazilian Industrial Property Gazette (RPI).

300

03/21/1989

RPI 961

201

11/29/1988

RPI 945

Pedido de licença voluntária

#17.1

03/01/1988

RPI 906

Concessão da patente

#16.1

08/25/1987

RPI 879

Notificação para pagamento de retribuição

#13.1

05/05/1987

RPI 863

Deferimento

#9.1

12/16/1986

RPI 843

Solicitação de exame técnico

#4.1

03/18/1986

RPI 804

Publicação do pedido de patente

#3.1

09/24/1985

RPI 779

Pedido de patente depositado

#2.1

04/24/1984

RPI 705

Anuidade - prazo legal encerrado

#18.2

02/25/1992

RPI 1108

311

03/19/1991

RPI 1059

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