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Official data from INPI

DISPOSITIVO PARA A PURIFICAÇÃO DE SANGUE

ConcedidaInvention Patent

Application data

Number

PI8204593

Type

Invention Patent

Filing

08/04/1982

Publication

07/26/1983

Progress at the INPI

  1. Filing08/04/82
  2. Publication07/26/83
  3. Examination08/13/85
  4. Allowance05/09/89
  5. Grant11/28/89
  6. Terminated07/18/95

The patent was granted on 11/28/1989 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: 11/28/1989. We update with every new RPI gazette, published weekly.

Applicants and inventors

Applicants

Fresenius Ag.

DE

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Inventors

B. M. (pessoa física)

DE

H. P. (pessoa física)

DE

Technical data

IPC Classification

Priority claims

DE

P 31 31 075.3 · 08/05/1981

Prosecution history

Publications in the Brazilian Industrial Property Gazette (RPI).

Concessão da patente

#16.1

11/28/1989

RPI 997

Notificação para pagamento de retribuição

#13.1

09/05/1989

RPI 985

Deferimento

#9.1

05/09/1989

RPI 968

6.2

03/24/1987

RPI 857

Solicitação de exame técnico

#4.1

08/13/1985

RPI 773

8.1

05/21/1985

RPI 761

Publicação do pedido de patente

#3.1

07/26/1983

RPI 666

Pedido de patente depositado

#2.1

09/21/1982

RPI 622

Republicação - classificação IPC

#15.11

Procedimento automático de reclassificação. As classificações IPC anteriores eram: B01D 3/00; A61M 1/03.

03/27/2018

RPI 2464

Anuidade - prazo legal encerrado

#18.2

07/18/1995

RPI 1285

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