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Official data from INPI

PROCESSO DE REALIZAÇÃO DE CARTÕES DE MEMÓRIA E CARTÃO DE MEMÓRIA OBTIDO PELA EXECUÇÃO DESSE PROCESSO

Em AnáliseInvention Patent

Application data

Number

PI8705434

Type

Invention Patent

Filing

10/09/1987

Publication

05/24/1988

Progress at the INPI

  1. Filing10/09/87
  2. Publication05/24/88
  3. Examination09/20/88
  4. Allowance04/05/94
  5. Grant08/30/94
  6. Expired07/29/08

The letters patent expired on 07/29/2008: 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: 09/20/1988. We update with every new RPI gazette, published weekly.

Applicants and inventors

Applicants

Schlumberger Industries

FR

Inventors

E. D. (pessoa física)

FR

M. B. (pessoa física)

FR

Technical data

Priority claims

FR

86/14231 · 10/14/1986

Prosecution history

Publications in the Brazilian Industrial Property Gazette (RPI).

Solicitação de exame técnico

#4.1

09/20/1988

RPI 935

Publicação do pedido de patente

#3.1

05/24/1988

RPI 918

Pedido de patente depositado

#2.1

01/05/1988

RPI 898

Carta-patente expirada

#21.1

Patente extinta em 09/10/2002

07/29/2008

RPI 1960

Concessão da patente

#16.1

08/30/1994

RPI 1239

Deferimento

#9.1

04/05/1994

RPI 1218

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