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Official data from INPI

APARELHO DE SERVODIREÇÃO HIDRÁULICA E APARELHO DE CONTROLE ELETROMAGNÉTICO PARA USO NO MESMO

Prazo de SigiloInvention Patent

Application data

Number

PI8903119

Type

Invention Patent

Filing

06/26/1989

Publication

02/06/1990

Progress at the INPI

  1. Filing06/26/89
  2. Publication02/06/90
  3. Examination10/02/90
  4. Allowance06/01/93
  5. Grant10/26/93
  6. Expired12/22/09

The letters patent expired on 12/22/2009: 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: 08/22/1989. We update with every new RPI gazette, published weekly.

Applicants and inventors

Applicants

G. C. (pessoa física)

US

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Inventors

A. P. (pessoa física)

US

D. G. (pessoa física)

US

J. B. (pessoa física)

J. Z. (pessoa física)

Technical data

IPC Classification

Priority claims

US

211,738 · 06/27/1988

Prosecution history

Publications in the Brazilian Industrial Property Gazette (RPI).

Pedido de patente depositado

#2.1

08/22/1989

RPI 983

Carta-patente expirada

#21.1

Patente extinta em 26/06/2004

12/22/2009

RPI 2033

Concessão da patente

#16.1

10/26/1993

RPI 1195

Deferimento

#9.1

06/01/1993

RPI 1174

Exigência - art. 36 da LPI

#6.1

06/23/1992

RPI 1125

Solicitação de exame técnico

#4.1

10/02/1990

RPI 1035

Publicação do pedido de patente

#3.1

02/06/1990

RPI 1005

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