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Official data from INPI

DISPOSITIVO DE TRAVA ELETROMAGNÉTICO DE DUPLA AÇÃO

Arquivada/ExtintaUtility Model

Application data

Number

MU7200265

Type

Utility Model

Filing

02/24/1992

Publication

04/28/1992

Progress at the INPI

  1. Filing02/24/92
  2. Publication04/28/92
  3. Examination11/24/92
  4. Allowance01/18/94
  5. Grant10/25/94
  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

J. M. (pessoa física)

SP, BR

Inventors

J. M. (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 24/02/2002

07/01/2008

RPI 1956

Concessão da patente

#16.1

10/25/1994

RPI 1247

Notificação para pagamento de retribuição

#13.1

05/10/1994

RPI 1223

Deferimento

#9.1

01/18/1994

RPI 1207

Solicitação de exame técnico

#4.1

11/24/1992

RPI 1147

Publicação antecipada

#3.2

04/28/1992

RPI 1117

Pedido de patente depositado

#2.1

03/31/1992

RPI 1113

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