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Official data from INPI

SEM TITULO

Em AnáliseInvention Patent

Application data

Number

PI8400798

Type

Invention Patent

Filing

02/22/1984

Publication

10/01/1985

Progress at the INPI

  1. Filing02/22/84
  2. Publication10/01/85
  3. Examination09/22/87
  4. Allowance05/10/88
  5. Grant12/27/88
  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: 09/19/1989. We update with every new RPI gazette, published weekly.

Applicants and inventors

Applicants

G. O. (pessoa física)

IT

Inventors

M. [. (pessoa física)

M. [. (pessoa física)

Technical data

IPC Classification

Prosecution history

Publications in the Brazilian Industrial Property Gazette (RPI).

200

09/19/1989

RPI 987

Pedido de licença voluntária

#17.1

03/07/1989

RPI 959

Concessão da patente

#16.1

12/27/1988

RPI 949

Notificação para pagamento de retribuição

#13.1

09/06/1988

RPI 933

Deferimento

#9.1

05/10/1988

RPI 916

Solicitação de exame técnico

#4.1

09/22/1987

RPI 883

Publicação do pedido de patente

#3.1

10/01/1985

RPI 780

Pedido de patente depositado

#2.1

05/08/1984

RPI 707

Carta-patente expirada

#21.1

Patente extinta em 22/02/99

07/08/2008

RPI 1957

310

03/19/1991

RPI 1059

300

02/13/1990

RPI 1006

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