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Official data from INPI

DISJUNTOR DE MÉDIA TENSÃO COM AUTO-INSUFLAÇÃO

Arquivada/ExtintaInvention Patent

Application data

Number

PI9004060

Type

Invention Patent

Filing

08/16/1990

Publication

09/03/1991

Progress at the INPI

  1. Filing08/16/90
  2. Publication09/03/91
  3. Examination09/14/93
  4. Allowance12/17/96
  5. Grant09/30/97
  6. Expired05/21/13

The letters patent expired on 05/21/2013: 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: 05/21/2013. 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 11018 · 08/18/1989

Prosecution history

Publications in the Brazilian Industrial Property Gazette (RPI).

Carta-patente expirada

#21.1

Patente extinta em 16/08/2010

05/21/2013

RPI 2211

Concessão da patente

#16.1

09/30/1997

RPI 1400

Notificação para pagamento de retribuição

#13.1

05/13/1997

RPI 1380

Deferimento

#9.1

12/17/1996

RPI 1359

Solicitação de exame técnico

#4.1

09/14/1993

RPI 1189

Publicação do pedido de patente

#3.1

09/03/1991

RPI 1083

Pedido de patente depositado

#2.1

02/19/1991

RPI 1055

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