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Official data from INPI

FILTRO BIOLÓGICO PENDENTE

DeferidaInvention Patent

Application data

Number

PI8406205

Type

Invention Patent

Filing

12/05/1984

Publication

06/24/1986

Progress at the INPI

  1. Filing12/05/84
  2. Publication06/24/86
  3. Examination08/16/88
  4. Allowance12/12/89
  5. Grant09/25/90
  6. Expired07/08/08

The letters patent expired on 07/08/2008: the term of protection has ended. The technology is in the public domain and may be freely used in Brazil.

Talk to a specialist

Latest action published by the INPI: 12/12/1989. We update with every new RPI gazette, published weekly.

Applicants and inventors

Applicants

E. B. (pessoa física)

RJ, BR

Inventors

E. B. (pessoa física)

BR

Technical data

IPC Classification

Prosecution history

Publications in the Brazilian Industrial Property Gazette (RPI).

Deferimento

#9.1

12/12/1989

RPI 999

Conhecimento de parecer técnico

#7.1

04/25/1989

RPI 966

Solicitação de exame técnico

#4.1

08/16/1988

RPI 930

Retificação

#15.6

11/24/1987

RPI 892

Retificação

#15.3

09/15/1987

RPI 882

Publicação do pedido de patente

#3.1

06/24/1986

RPI 818

Pedido de patente depositado

#2.1

02/26/1985

RPI 749

Carta-patente expirada

#21.1

Patente extinta em 05/12/99

07/08/2008

RPI 1957

Concessão da patente

#16.1

09/25/1990

RPI 1034

Notificação para pagamento de retribuição

#13.1

04/17/1990

RPI 1014

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