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Official data from INPI

PROCESSO PARA REDUZIR MINERIOS METALICOS FRAGMENTADOS EM PARTICULAS DE METAL

Em AnáliseInvention Patent

Application data

Number

PI8003887

Type

Invention Patent

Filing

08/20/1979

Publication

-

Progress at the INPI

  1. Filing08/20/79
  2. Publication
  3. Examination
  4. Allowance05/22/84
  5. Grant11/27/84
  6. Terminated09/26/89

The patent was granted on 11/27/1984 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: 09/26/1989. We update with every new RPI gazette, published weekly.

Applicants and inventors

Applicants

HYLSA SA

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Inventors

C. J. (pessoa física)

M. E. (pessoa física)

Technical data

IPC Classification

Prosecution history

Publications in the Brazilian Industrial Property Gazette (RPI).

Anuidade - prazo legal encerrado

#18.2

09/26/1989

RPI 988

Concessão da patente

#16.1

11/27/1984

RPI 736

Notificação para pagamento de retribuição

#13.1

09/04/1984

RPI 724

Deferimento

#9.1

05/22/1984

RPI 709

Exigência - art. 36 da LPI

#6.1

12/06/1983

RPI 685

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