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Official data from INPI

APARELHO PARA CONTROLAR UM SISTEMA DE DIREÇÀO ELETRO-ASSISTIDA.

DeferidaInvention Patent

Application data

Number

PI8505939

Type

Invention Patent

Filing

11/27/1985

Publication

08/19/1986

Progress at the INPI

  1. Filing11/27/85
  2. Publication08/19/86
  3. Examination11/04/86
  4. Allowance09/05/89
  5. Grant05/29/90
  6. Expired07/15/08

The letters patent expired on 07/15/2008: 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: 09/05/1989. We update with every new RPI gazette, published weekly.

Applicants and inventors

Applicants

TRW Inc

US

See this company's full portfolio

Inventors

G. D. (pessoa física)

US

Technical data

IPC Classification

Priority claims

US

676.522 · 11/30/1985

Prosecution history

Publications in the Brazilian Industrial Property Gazette (RPI).

Deferimento

#9.1

09/05/1989

RPI 985

Exigência - art. 36 da LPI

#6.1

01/17/1989

RPI 952

Solicitação de exame técnico

#4.1

11/04/1986

RPI 837

Publicação do pedido de patente

#3.1

08/19/1986

RPI 826

Pedido de patente depositado

#2.1

02/12/1986

RPI 799

Carta-patente expirada

#21.1

Patente extinta em 27/11/2000

07/15/2008

RPI 1958

Concessão da patente

#16.1

05/29/1990

RPI 1020

Notificação para pagamento de retribuição

#13.1

01/09/1990

RPI 1001

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