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Official data from INPI

DISJUNTOR DE ALTA OU MÉDIA TENSÃO COM CONTATOS DE ARCO NA EXTREMIDADE

Arquivada/ExtintaInvention Patent

Application data

Number

PI9101627

Type

Invention Patent

Filing

04/23/1991

Publication

12/10/1991

Progress at the INPI

  1. Filing04/23/91
  2. Publication12/10/91
  3. Examination06/01/93
  4. Allowance04/27/99
  5. Grant11/03/99
  6. Expired06/04/13

The letters patent expired on 06/04/2013: 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: 06/04/2013. We update with every new RPI gazette, published weekly.

Applicants and inventors

Applicants

GEC Alsthom SA

FR

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Inventors

B. J. (pessoa física)

FR

D. D. (pessoa física)

FR

J. M. (pessoa física)

FR

M. P. (pessoa física)

FR

Technical data

IPC Classification

Priority claims

FR

90 05 263 · 04/25/1990

Prosecution history

Publications in the Brazilian Industrial Property Gazette (RPI).

Carta-patente expirada

#21.1

Patente extinta em 23/04/2011

06/04/2013

RPI 2213

Concessão da patente

#16.1

11/03/1999

RPI 1504

Deferimento

#9.1

04/27/1999

RPI 1477

Exigência - art. 36 da LPI

#6.1

10/27/1998

RPI 1451

Solicitação de exame técnico

#4.1

06/01/1993

RPI 1174

Publicação do pedido de patente

#3.1

12/10/1991

RPI 1097

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