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Official data from INPI

PROCESSO DE CONTROLE DE AQUECIMENTO PARA UM FORNO DE AQUECIMENTO CONTINUO

Em AnáliseInvention Patent

Application data

Number

PI8103545

Type

Invention Patent

Filing

06/04/1980

Publication

03/02/1982

Progress at the INPI

  1. Filing06/04/80
  2. Publication03/02/82
  3. Examination06/29/82
  4. Allowance01/10/84
  5. Grant07/31/84
  6. Terminated05/24/88

The patent was granted on 07/31/1984 and later terminated for failure to pay the annuities. The technology is in the public domain in Brazil.

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Latest action published by the INPI: 05/24/1988. We update with every new RPI gazette, published weekly.

Applicants and inventors

Applicants

MITSUBISHI ELECTRIC CORP

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Inventors

Y. W. (pessoa física)

Technical data

IPC Classification

Prosecution history

Publications in the Brazilian Industrial Property Gazette (RPI).

Anuidade - prazo legal encerrado

#18.2

05/24/1988

RPI 918

Republicação - classificação IPC

#15.11

09/04/1984

RPI 724

Concessão da patente

#16.1

07/31/1984

RPI 719

Notificação para pagamento de retribuição

#13.1

05/02/1984

RPI 706

Deferimento

#9.1

01/10/1984

RPI 690

Solicitação de exame técnico

#4.1

06/29/1982

RPI 610

Publicação do pedido de patente

#3.1

03/02/1982

RPI 593

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