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Official data from INPI

BLOCO TERMINAL PARA TELECOMUNICAÇÕES.

Arquivada/ExtintaInvention Patent

Application data

Number

PI8905424

Type

Invention Patent

Filing

10/20/1989

Publication

04/23/1991

Progress at the INPI

  1. Filing10/20/89
  2. Publication04/23/91
  3. Examination06/15/93
  4. Allowance10/11/94
  5. Grant07/25/95
  6. Expired12/29/09

The letters patent expired on 12/29/2009: 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: 12/29/2009. 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 20/10/2004

12/29/2009

RPI 2034

Concessão da patente

#16.1

07/25/1995

RPI 1286

Notificação para pagamento de retribuição

#13.1

02/21/1995

RPI 1264

Deferimento

#9.1

10/11/1994

RPI 1245

Solicitação de exame técnico

#4.1

06/15/1993

RPI 1176

Publicação do pedido de patente

#3.1

04/23/1991

RPI 1064

Pedido de patente depositado

#2.1

10/23/1990

RPI 1038

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