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Official data from INPI

FORNO RECUPERATIVO DE COQUE,BEM COMO PROCESSO PARA A SEU FUNCIONAMENTO

Em AnáliseInvention Patent

Application data

Number

PI7901035

Type

Invention Patent

Filing

02/25/1978

Publication

-

Progress at the INPI

  1. Filing02/25/78
  2. Publication
  3. Examination
  4. Allowance01/02/85
  5. Grant07/30/85
  6. Terminated10/03/89

The patent was granted on 07/30/1985 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: 10/03/1989. We update with every new RPI gazette, published weekly.

Applicants and inventors

Applicants

BERGWERKSVERBAND GMBH

D. E. (pessoa física)

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Inventors

F. C. (pessoa física)

H. E. (pessoa física)

Technical data

IPC Classification

Prosecution history

Publications in the Brazilian Industrial Property Gazette (RPI).

Anuidade - prazo legal encerrado

#18.2

10/03/1989

RPI 989

Concessão da patente

#16.1

07/30/1985

RPI 771

Notificação para pagamento de retribuição

#13.1

04/23/1985

RPI 757

Deferimento

#9.1

01/02/1985

RPI 741

Exigência - art. 36 da LPI

#6.1

10/18/1983

RPI 678

Exigência - art. 36 da LPI

#6.1

02/08/1983

RPI 642

6.2

03/16/1982

RPI 595

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