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Official data from INPI

CAIXA FUNCIONAL DE TRAVAMENTO PARA INSTALAÇÃO À MÉDIA TENSÃO

Arquivada/ExtintaInvention Patent

Application data

Number

PI8906108

Type

Invention Patent

Filing

12/01/1989

Publication

07/31/1990

Progress at the INPI

  1. Filing12/01/89
  2. Publication07/31/90
  3. Examination03/24/92
  4. Allowance02/14/95
  5. Grant09/26/95
  6. Expired12/29/09

The letters patent expired on 12/29/2009: 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: 12/29/2009. We update with every new RPI gazette, published weekly.

Applicants and inventors

Applicants

GEC Alsthom SA

FR

See this company's full portfolio

Inventors

A. M. (pessoa física)

FR

R. B. (pessoa física)

FR

Technical data

IPC Classification

Priority claims

FR

88 15820 · 12/02/1988

Prosecution history

Publications in the Brazilian Industrial Property Gazette (RPI).

Carta-patente expirada

#21.1

Patente extinta em 01/12/2004

12/29/2009

RPI 2034

Concessão da patente

#16.1

09/26/1995

RPI 1295

Notificação para pagamento de retribuição

#13.1

07/04/1995

RPI 1283

Deferimento

#9.1

02/14/1995

RPI 1263

Solicitação de exame técnico

#4.1

03/24/1992

RPI 1112

Publicação do pedido de patente

#3.1

07/31/1990

RPI 1026

Pedido de patente depositado

#2.1

03/20/1990

RPI 1010

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