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Official data from INPI

DISPOSIÇÃO INTRODUZIDA EM CONEXÃO INSTANTÂNEA

Arquivada/ExtintaUtility Model

Application data

Number

MU7001149

Type

Utility Model

Filing

07/02/1990

Publication

01/08/1991

Progress at the INPI

  1. Filing07/02/90
  2. Publication01/08/91
  3. Examination03/19/91
  4. Allowance01/18/94
  5. Grant10/29/96
  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

H. S. (pessoa física)

SP, BR

Metalúrgica Detroit S/A.

SP, BR

Inventors

H. S. (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 02/07/2000

07/01/2008

RPI 1956

Transferência deferida

#25.1

01/21/1998

RPI 1413

Concessão da patente

#16.1

10/29/1996

RPI 1352

Notificação para pagamento de retribuição

#13.1

06/18/1996

RPI 1333

110

04/16/1996

RPI 1324

120

05/16/1995

RPI 1276

Recurso

#12.1

05/10/1994

RPI 1223

Deferimento

#9.1

01/18/1994

RPI 1207

Solicitação de exame técnico

#4.1

03/19/1991

RPI 1059

Publicação antecipada

#3.2

01/08/1991

RPI 1049

Pedido de patente depositado

#2.1

10/16/1990

RPI 1037

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