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Official data from INPI

PROCESSO PARA FREIAR UM MOTOR DE INDUÇÃO EM CURTO-CIRCUITO E CIRCUITO DE CONTROLE PARA UM MOTOR DE INDUÇÃO EM CURTO-CIRCUITO

PublicadaInvention Patent

Application data

Number

PI8802289

Type

Invention Patent

Filing

05/11/1988

Publication

12/13/1988

Progress at the INPI

  1. Filing05/11/88
  2. Publication12/13/88
  3. Examination12/26/90
  4. Allowance12/07/93
  5. Grant06/28/94
  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: 12/13/1988. We update with every new RPI gazette, published weekly.

Applicants and inventors

Applicants

Kone Elevator GmbH

CH

See this company's full portfolio

Inventors

S. S. (pessoa física)

BE

Technical data

IPC Classification

Priority claims

FI

872101 · 05/12/1987

Prosecution history

Publications in the Brazilian Industrial Property Gazette (RPI).

Publicação do pedido de patente

#3.1

12/13/1988

RPI 947

Pedido de patente depositado

#2.1

10/04/1988

RPI 937

Carta-patente expirada

#21.1

Patente extinta em 11/05/2003

09/02/2008

RPI 1965

Concessão da patente

#16.1

06/28/1994

RPI 1230

Deferimento

#9.1

12/07/1993

RPI 1201

Solicitação de exame técnico

#4.1

12/26/1990

RPI 1047

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