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Official data from INPI

MODELO DE CONEXÃO ROSQUEADA PARA SISTEMAS HIDRÁULICOS

Arquivada/ExtintaUtility Model

Application data

Number

MU7000663

Type

Utility Model

Filing

04/11/1990

Publication

11/19/1991

Progress at the INPI

  1. Filing04/11/90
  2. Publication11/19/91
  3. Examination12/28/93
  4. Allowance08/30/94
  5. Grant01/31/95
  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: 07/01/2008. We update with every new RPI gazette, published weekly.

Applicants and inventors

Applicants

No applicants.

Inventors

A. B. (pessoa física)

BR

Technical data

IPC Classification

Prosecution history

Publications in the Brazilian Industrial Property Gazette (RPI).

Carta-patente expirada

#21.1

Patente extinta em 11/04/2000

07/01/2008

RPI 1956

Concessão da patente

#16.1

01/31/1995

RPI 1261

Deferimento

#9.1

08/30/1994

RPI 1239

Solicitação de exame técnico

#4.1

12/28/1993

RPI 1204

Publicação do pedido de patente

#3.1

11/19/1991

RPI 1094

Pedido de patente depositado

#2.1

08/28/1990

RPI 1030

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