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Official data from INPI

PROTETOR CONTRA SURTOS BIDIRECIONAIS

Arquivada/ExtintaUtility Model

Application data

Number

MU6902354

Type

Utility Model

Filing

11/17/1989

Publication

07/16/1991

Progress at the INPI

  1. Filing11/17/89
  2. Publication07/16/91
  3. Examination09/21/93
  4. Allowance07/19/94
  5. Grant05/30/95
  6. Expired11/20/01

The letters patent expired on 11/20/2001: 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: 11/20/2001. We update with every new RPI gazette, published weekly.

Applicants and inventors

Applicants

Enetele Informática e Telecomunicações Limitada

MG, BR

Inventors

J. F. (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 17/11/1999 conforme o disposto no artigo 24 da Lei 5772/71 (CPI).

11/20/2001

RPI 1611

Concessão da patente

#16.1

05/30/1995

RPI 1278

Notificação para pagamento de retribuição

#13.1

11/15/1994

RPI 1250

Deferimento

#9.1

07/19/1994

RPI 1233

Solicitação de exame técnico

#4.1

09/21/1993

RPI 1190

Publicação do pedido de patente

#3.1

07/16/1991

RPI 1076

Pedido de patente depositado

#2.1

09/11/1990

RPI 1032

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