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Official data from INPI

DISPOSITIVO DE FIXAÇÃO DE UM CORPO E SONDA NUM POÇO EQUIPADA COM ESSE DISPOSI TIVO

Arquivada/ExtintaInvention PatentPCT · FR1987000515

Application data

Number

PI8707616

Type

Invention Patent

Filing

12/23/1987

Publication

10/03/1989

PCT

FR1987000515

Progress at the INPI

  1. Filing12/23/87
  2. Publication10/03/89
  3. Examination10/02/90
  4. Allowance06/30/92
  5. Grant03/30/93
  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: 10/03/1989. We update with every new RPI gazette, published weekly.

Applicants and inventors

Applicants

Institut Français du Petrole

FR

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Inventors

C. W. (pessoa física)

FR

Technical data

Priority claims

FR

86/18258 · 12/24/1986

Prosecution history

Publications in the Brazilian Industrial Property Gazette (RPI).

Notificação de entrada na fase nacional - PCT

#1.3

10/03/1989

RPI 989

Carta-patente expirada

#21.1

Patente extinta em 23/12/2002

07/29/2008

RPI 1960

Concessão da patente

#16.1

03/30/1993

RPI 1165

Notificação para pagamento de retribuição

#13.1

11/17/1992

RPI 1146

Deferimento

#9.1

06/30/1992

RPI 1126

Conhecimento de parecer técnico

#7.1

11/05/1991

RPI 1092

Solicitação de exame técnico

#4.1

10/02/1990

RPI 1035

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