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Official data from INPI

PROCESSO E DISPOSITIVO PARA A REFRIGERAÇÃO DE FORNOS.

ConcedidaInvention Patent

Application data

Number

PI8401670

Type

Invention Patent

Filing

04/10/1984

Publication

11/20/1984

Progress at the INPI

  1. Filing04/10/84
  2. Publication11/20/84
  3. Examination03/19/85
  4. Allowance06/28/88
  5. Grant01/10/89
  6. Terminated10/16/90

The patent was granted on 01/10/1989 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: 01/10/1989. We update with every new RPI gazette, published weekly.

Applicants and inventors

Applicants

BBC Brown Boveri & Company Limited

CH

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Inventors

K. B. (pessoa física)

CH

Technical data

IPC Classification

Priority claims

CH

1957/83-8 · 04/12/1983

Prosecution history

Publications in the Brazilian Industrial Property Gazette (RPI).

Concessão da patente

#16.1

01/10/1989

RPI 951

Notificação para pagamento de retribuição

#13.1

10/25/1988

RPI 940

Republicação - classificação IPC

#15.11

08/02/1988

RPI 928

Deferimento

#9.1

06/28/1988

RPI 923

Solicitação de exame técnico

#4.1

03/19/1985

RPI 752

Publicação do pedido de patente

#3.1

11/20/1984

RPI 735

Pedido de patente depositado

#2.1

07/17/1984

RPI 717

Anuidade - prazo legal encerrado

#18.2

10/16/1990

RPI 1037

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