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Official data from INPI

MECANISMO DE DIREÇÃO HIDRAULICAMENTE SERVO-ASSISTIDO PARA VEÍCULOS AUTOMÓVEIS.

ConcedidaInvention Patent

Application data

Number

PI8104596

Type

Invention Patent

Filing

07/17/1981

Publication

04/06/1982

Progress at the INPI

  1. Filing07/17/81
  2. Publication04/06/82
  3. Examination01/24/84
  4. Allowance04/16/85
  5. Grant10/01/85
  6. Expired10/08/96

The letters patent expired on 10/08/1996: 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: 10/01/1985. We update with every new RPI gazette, published weekly.

Applicants and inventors

Applicants

Z. A. (pessoa física)

DE

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Inventors

E. D. (pessoa física)

Technical data

IPC Classification

Priority claims

DE

P 30 28 176.6 · 07/25/1980

Prosecution history

Publications in the Brazilian Industrial Property Gazette (RPI).

Concessão da patente

#16.1

10/01/1985

RPI 780

Deferimento

#9.1

04/16/1985

RPI 756

Exigência - art. 36 da LPI

#6.1

08/14/1984

RPI 721

Solicitação de exame técnico

#4.1

01/24/1984

RPI 692

Publicação do pedido de patente

#3.1

04/06/1982

RPI 598

Carta-patente expirada

#21.1

10/08/1996

RPI 1349

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