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Official data from INPI

SISTEMA DE CONTROLE DE VELOCIDADE PARA UM MOTOR COM ROTOR EM CURTO CIRCUITO.

ConcedidaInvention Patent

Application data

Number

PI8206651

Type

Invention Patent

Filing

03/04/1982

Publication

03/01/1983

Progress at the INPI

  1. Filing03/04/82
  2. Publication03/01/83
  3. Examination08/23/83
  4. Allowance12/17/85
  5. Grant06/24/86
  6. Expired07/01/08

The letters patent expired on 07/01/2008: 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: 06/24/1986. We update with every new RPI gazette, published weekly.

Applicants and inventors

Applicants

Elevator Gmbh.

CH

Kone Oy

FI

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Inventors

M. [. (pessoa física)

S. [. (pessoa física)

Technical data

IPC Classification

Priority claims

FI

82/0008 · 03/04/1982

Prosecution history

Publications in the Brazilian Industrial Property Gazette (RPI).

Concessão da patente

#16.1

06/24/1986

RPI 818

Notificação para pagamento de retribuição

#13.1

04/22/1986

RPI 809

Deferimento

#9.1

12/17/1985

RPI 791

Exigência - art. 36 da LPI

#6.1

05/28/1985

RPI 762

Solicitação de exame técnico

#4.1

08/23/1983

RPI 670

Notificação de entrada na fase nacional - PCT

#1.3

03/01/1983

RPI 645

Carta-patente expirada

#21.1

Patente extinta em 04/03/97

07/01/2008

RPI 1956

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