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Official data from INPI

SEPARADOR MAGNETICO PARA A SEPARACAO DE PARTICULAS MAGNETICAS SOLIDAS DE UM FLUIDO EM QUE ESTEJAM EM SUSPENSAO

Em AnáliseInvention Patent

Application data

Number

PI7707670

Type

Invention Patent

Filing

11/22/1976

Publication

-

Progress at the INPI

  1. Filing11/22/76
  2. Publication
  3. Examination
  4. Allowance07/05/83
  5. Grant12/27/83
  6. Terminated12/15/87

The patent was granted on 12/27/1983 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: 12/15/1987. We update with every new RPI gazette, published weekly.

Applicants and inventors

Applicants

JONES FERRO MAGNETICS INC

Inventors

B. J. (pessoa física)

Technical data

IPC Classification

Prosecution history

Publications in the Brazilian Industrial Property Gazette (RPI).

Anuidade - prazo legal encerrado

#18.2

12/15/1987

RPI 895

16.3

03/20/1984

RPI 700

Concessão da patente

#16.1

12/27/1983

RPI 688

Notificação para pagamento de retribuição

#13.1

11/08/1983

RPI 681

Deferimento

#9.1

07/05/1983

RPI 663

Exigência - art. 36 da LPI

#6.1

08/03/1982

RPI 615

15.0

03/16/1982

RPI 595

Exigência - art. 36 da LPI

#6.1

01/05/1982

RPI 585

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