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Official data from INPI

PORTA PARA FORNO DE COQUE

Em AnáliseInvention Patent
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Application data

Number

PI7708020

Type

Invention Patent

Filing

12/02/1976

Publication

-
View on INPI

Progress at the INPI

  1. Filing12/02/76
  2. Publication
  3. Examination
  4. Allowance
  5. Grant
  6. In force

The application is awaiting technical examination at the INPI, which decides whether the invention meets the patentability requirements.

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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

IKIO TEKKOSHO CO LTD

Inventors

No inventors listed.

Technical data

IPC Classification

No IPC classification.

Prosecution history

Publications in the Brazilian Industrial Property Gazette (RPI).

18.5

05/24/1988

RPI 918

18.3

01/12/1988

RPI 899

18.1

07/14/1987

RPI 873

22.5

05/05/1987

RPI 863

Notificação para pagamento de retribuição

#13.1

09/21/1982

RPI 622

Deferimento

#9.1

06/01/1982

RPI 606

15.0

11/24/1981

RPI 579

Indeferimento

#9.2

10/20/1981

RPI 574

137

07/31/1990

RPI 1026

Anuidade - prazo legal encerrado

#18.2

05/29/1990

RPI 1020

22.2

03/27/1990

RPI 1011

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