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Official data from INPI

GERADOR AUTO EXCITADO SÍNCRONO COM ROTOR INJETADO EM COBRE OU ALUMÍNIO

Arquivada/ExtintaInvention Patent
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Application data

Number

PI9102642

Type

Invention Patent

Filing

06/24/1991

Publication

10/01/1991
View on INPI

Progress at the INPI

  1. Filing06/24/91
  2. Publication10/01/91
  3. Examination11/26/91
  4. Allowance07/27/99
  5. Grant02/22/00
  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.

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Latest action published by the INPI: 06/04/2013. We update with every new RPI gazette, published weekly.

Applicants and inventors

Applicants

Bambozzi S/A Máquinas Hidráulicas e Elétricas

SP, BR

Inventors

W. B. (pessoa física)

BR

Technical data

IPC Classification

H02K 15/02

Prosecution history

Publications in the Brazilian Industrial Property Gazette (RPI).

Carta-patente expirada

#21.1

Patente extinta em 24/06/2011

06/04/2013

RPI 2213

Concessão da patente

#16.1

02/22/2000

RPI 1520

Deferimento

#9.1

07/27/1999

RPI 1490

Solicitação de exame técnico

#4.1

11/26/1991

RPI 1095

Pedido de patente depositado

#2.1

10/01/1991

RPI 1087

Publicação antecipada

#3.2

10/01/1991

RPI 1087

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