Official data from INPI

SISTEMA ISOLANTE DE ALTA VOLTAGEM PARA MÁQUOINAS ELÉTRICAS

Arquivada/ExtintaInvention Patent

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Application data

Number

PI8905746

Type

Invention Patent

Filing

11/10/1989

Publication

06/05/1990

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Progress at the INPI

Filing11/10/89
Publication06/05/90
Examination09/18/90
Allowance05/12/98
Grant11/24/98
Expired12/26/12

The letters patent expired on 12/26/2012: the term of protection has ended. The technology is in the public domain and may be freely used in Brazil.

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Latest action published by the INPI: 12/26/2012. We update with every new RPI gazette, published weekly.

Applicants and inventors

Applicants

Asea Brown Boveri AG (em francês: Asea Brown Boveri SA; em inglês; Asea Brown Boveri Ltd)

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Inventors

G. L. (pessoa física)

R. S. (pessoa física)

Technical data

IPC Classification

H01B 3/30

Priority claims

4168/88 · 11/10/1988

Prosecution history

Publications in the Brazilian Industrial Property Gazette (RPI).

Carta-patente expirada

#21.1

Patente extinta em 10/11/2009

12/26/2012

RPI 2190

Concessão da patente

#16.1

11/24/1998

RPI 1455

Deferimento

#9.1

05/12/1998

RPI 1429

Solicitação de exame técnico

#4.1

09/18/1990

RPI 1033

Publicação do pedido de patente

#3.1

06/05/1990

RPI 1021

Pedido de patente depositado

#2.1

03/20/1990

RPI 1010

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