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Official data from INPI

CIRCUITO ELETRÔNICO DE CONTROLE PARA MOTOR DE CORRENTE CONTÍNUA SEM ESCOVAS

Prazo de SigiloInvention Patent

Application data

Number

PI8805485

Type

Invention Patent

Filing

10/17/1988

Publication

06/05/1990

Progress at the INPI

  1. Filing10/17/88
  2. Publication06/05/90
  3. Examination07/21/92
  4. Allowance02/01/94
  5. Grant10/25/94
  6. Expired09/02/08

The letters patent expired on 09/02/2008: 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: 03/14/1989. We update with every new RPI gazette, published weekly.

Applicants and inventors

Applicants

Empresa Brasileira de Compressores S/A - Embraco

SC, BR

See this company's full portfolio

Inventors

M. S. (pessoa física)

BR

Technical data

IPC Classification

Prosecution history

Publications in the Brazilian Industrial Property Gazette (RPI).

Pedido de patente depositado

#2.1

03/14/1989

RPI 960

Carta-patente expirada

#21.1

Patente extinta em 17/10/2003

09/02/2008

RPI 1965

Concessão da patente

#16.1

10/25/1994

RPI 1247

Notificação para pagamento de retribuição

#13.1

05/24/1994

RPI 1225

Deferimento

#9.1

02/01/1994

RPI 1209

Solicitação de exame técnico

#4.1

07/21/1992

RPI 1129

Publicação do pedido de patente

#3.1

06/05/1990

RPI 1021

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