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Official data from INPI

DISJUNTOR OU INTERRUPTOR DE ALTA TENSÃO COM ISOLAMENTO GASOSO

Arquivada/ExtintaInvention Patent

Application data

Number

PI9102668

Type

Invention Patent

Filing

06/25/1991

Publication

02/04/1992

Progress at the INPI

  1. Filing06/25/91
  2. Publication02/04/92
  3. Examination04/12/94
  4. Allowance09/15/98
  5. Grant06/29/99
  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

M. G. (pessoa física)

FR

Schneider Electric S.A

FR

See this company's full portfolio

Inventors

M. L. (pessoa física)

IT

Technical data

IPC Classification

Priority claims

FR

9008356 · 06/26/1990

Prosecution history

Publications in the Brazilian Industrial Property Gazette (RPI).

Carta-patente expirada

#21.1

Patente extinta em 25/06/2011

06/04/2013

RPI 2213

Concessão da patente

#16.1

06/29/1999

RPI 1486

Transferência deferida

#25.1

Transferido de: Merlin Gerin

03/30/1999

RPI 1473

Deferimento

#9.1

09/15/1998

RPI 1447

Solicitação de exame técnico

#4.1

04/12/1994

RPI 1219

3.4

04/14/1992

RPI 1115

Publicação do pedido de patente

#3.1

02/04/1992

RPI 1105

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