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Official data from INPI

DISPOSIÇÃO CONSTRUTIVA EM CONEXÃO

DeferidaUtility Model

Application data

Number

MU6601030

Type

Utility Model

Filing

07/02/1986

Publication

04/14/1987

Progress at the INPI

  1. Filing07/02/86
  2. Publication04/14/87
  3. Examination06/16/87
  4. Allowance08/29/89
  5. Grant03/20/90
  6. Expired09/17/96

The letters patent expired on 09/17/1996: the term of protection has ended. The technology is in the public domain and may be freely used in Brazil.

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Latest action published by the INPI: 08/29/1989. We update with every new RPI gazette, published weekly.

Applicants and inventors

Applicants

Metalúrgica Detroit S/A

SP, BR

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Inventors

H. S. (pessoa física)

BR

Technical data

IPC Classification

Prosecution history

Publications in the Brazilian Industrial Property Gazette (RPI).

Deferimento

#9.1

08/29/1989

RPI 984

Solicitação de exame técnico

#4.1

06/16/1987

RPI 869

Publicação antecipada

#3.2

04/14/1987

RPI 860

Pedido de patente depositado

#2.1

02/03/1987

RPI 850

Carta-patente expirada

#21.1

09/17/1996

RPI 1346

Concessão da patente

#16.1

03/20/1990

RPI 1010

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