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Official data from INPI

DISJUNTOR A GÁS DE INSUFLAÇÃO DIELÉTRICO

Arquivada/ExtintaInvention Patent

Application data

Number

PI9002332

Type

Invention Patent

Filing

05/18/1990

Publication

08/06/1991

Progress at the INPI

  1. Filing05/18/90
  2. Publication08/06/91
  3. Examination08/03/93
  4. Allowance02/06/96
  5. Grant10/29/96
  6. Expired05/18/10

The letters patent expired on 05/18/2010: 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: 05/18/2010. We update with every new RPI gazette, published weekly.

Applicants and inventors

Applicants

GEC Alsthom SA

FR

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Inventors

D. D. (pessoa física)

FR

M. P. (pessoa física)

FR

Technical data

IPC Classification

Priority claims

FR

89 06 554 · 05/19/1989

Prosecution history

Publications in the Brazilian Industrial Property Gazette (RPI).

Carta-patente expirada

#21.1

Patente extinta em 18/05/2005

05/18/2010

RPI 2054

Concessão da patente

#16.1

10/29/1996

RPI 1352

Notificação para pagamento de retribuição

#13.1

09/17/1996

RPI 1346

Deferimento

#9.1

02/06/1996

RPI 1314

Solicitação de exame técnico

#4.1

08/03/1993

RPI 1183

Publicação do pedido de patente

#3.1

08/06/1991

RPI 1079

Pedido de patente depositado

#2.1

10/02/1990

RPI 1035

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