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Official data from INPI

DISPOSITIVO PARA DIFUNDIR MATERIA ENTRE DOIS FLUIDOS

Em AnáliseInvention Patent

Application data

Number

PI7605754

Type

Invention Patent

Filing

09/11/1975

Publication

-

Progress at the INPI

  1. Filing09/11/75
  2. Publication
  3. Examination
  4. Allowance
  5. Grant11/30/82
  6. Terminated11/17/87

The patent was granted on 11/30/1982 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: 11/17/1987. We update with every new RPI gazette, published weekly.

Applicants and inventors

Applicants

GAMBRO AG

Inventors

R. G. (pessoa física)

Technical data

IPC Classification

Prosecution history

Publications in the Brazilian Industrial Property Gazette (RPI).

Anuidade - prazo legal encerrado

#18.2

11/17/1987

RPI 891

Concessão da patente

#16.1

11/30/1982

RPI 632

Notificação para pagamento de retribuição

#13.1

06/15/1982

RPI 608

Recurso

#12.1

12/22/1981

RPI 583

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