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Official data from INPI

PROCESSO E DISPOSITIVO PARA CONTROLE DE MOTOR DE CORRENTE ALTERNADA SEM ESCOVA

ConcedidaInvention Patent

Application data

Number

PI8207209

Type

Invention Patent

Filing

12/18/1981

Publication

10/11/1983

Progress at the INPI

  1. Filing12/18/81
  2. Publication10/11/83
  3. Examination08/27/85
  4. Allowance10/14/86
  5. Grant06/30/87
  6. Terminated04/11/95

The patent was granted on 06/30/1987 and later terminated for failure to pay the annuities. The technology is in the public domain in Brazil.

Talk to a specialist

Latest action published by the INPI: 06/30/1987. We update with every new RPI gazette, published weekly.

Applicants and inventors

Applicants

CERAC INST SA [CH]

Inventors

H. M. (pessoa física)

L. A. (pessoa física)

O. M. (pessoa física)

Technical data

Prosecution history

Publications in the Brazilian Industrial Property Gazette (RPI).

Concessão da patente

#16.1

06/30/1987

RPI 871

Notificação para pagamento de retribuição

#13.1

03/10/1987

RPI 855

Deferimento

#9.1

10/14/1986

RPI 834

Solicitação de exame técnico

#4.1

08/27/1985

RPI 775

Publicação do pedido de patente

#3.1

10/11/1983

RPI 677

Pedido de patente depositado

#2.1

02/01/1983

RPI 641

Anuidade - prazo legal encerrado

#18.2

04/11/1995

RPI 1271

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