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Official data from INPI

SENSOR DE SEMI-CONDUTOR

Arquivada/ExtintaInvention PatentPCT · FR1990000736

Application data

Number

PI9007733

Type

Invention Patent

Filing

10/15/1990

Publication

07/21/1992

PCT

FR1990000736

Progress at the INPI

  1. Filing10/15/90
  2. Publication07/21/92
  3. Examination08/17/93
  4. Allowance01/14/97
  5. Grant01/21/98
  6. Expired05/28/13

The letters patent expired on 05/28/2013: 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: 05/28/2013. We update with every new RPI gazette, published weekly.

Applicants and inventors

Applicants

Schlumberger Industries

FR

Inventors

J. S. (pessoa física)

FR

V. M. (pessoa física)

FR

Technical data

IPC Classification

Priority claims

FR

89/13383 · 10/13/1989

Prosecution history

Publications in the Brazilian Industrial Property Gazette (RPI).

Carta-patente expirada

#21.1

Patente extinta em 15/10/2010

05/28/2013

RPI 2212

Concessão da patente

#16.1

01/21/1998

RPI 1413

Notificação para pagamento de retribuição

#13.1

05/06/1997

RPI 1379

Deferimento

#9.1

01/14/1997

RPI 1363

Solicitação de exame técnico

#4.1

08/17/1993

RPI 1185

Notificação de entrada na fase nacional - PCT

#1.3

07/21/1992

RPI 1129

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