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Official data from INPI

CONJUNTO DE PORTA DE FORNO DE COQUE.

Em AnáliseInvention Patent
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Application data

Number

PI8006223

Type

Invention Patent

Filing

09/26/1980

Publication

-
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Progress at the INPI

  1. Filing09/26/80
  2. Publication
  3. Examination04/13/82
  4. Allowance01/31/84
  5. Grant08/28/84
  6. Terminated05/17/88

The patent was granted on 08/28/1984 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: 05/17/1988. We update with every new RPI gazette, published weekly.

Applicants and inventors

Applicants

F. H. (pessoa física)

Inventors

H. F. (pessoa física)

Technical data

IPC Classification

C10B 25/02

Priority claims

DE

P 29 39 070.3 · 09/27/1979

Prosecution history

Publications in the Brazilian Industrial Property Gazette (RPI).

Anuidade - prazo legal encerrado

#18.2

05/17/1988

RPI 917

Concessão da patente

#16.1

08/28/1984

RPI 723

Notificação para pagamento de retribuição

#13.1

05/15/1984

RPI 708

Deferimento

#9.1

01/31/1984

RPI 693

Solicitação de exame técnico

#4.1

07/12/1983

RPI 664

Solicitação de exame técnico

#4.1

04/13/1982

RPI 599

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