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Official data from INPI

SISTEMA DE CABO PARA TELEPROCESSAMENTO, FAC-SIMILE, TELEX, ETC.

ConcedidaInvention Patent
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Application data

Number

PI8105767

Type

Invention Patent

Filing

09/09/1981

Publication

04/19/1983
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Progress at the INPI

  1. Filing09/09/81
  2. Publication04/19/83
  3. Examination08/21/84
  4. Allowance08/20/85
  5. Grant04/29/86
  6. Terminated09/13/94

The patent was granted on 04/29/1986 and later terminated for failure to pay the annuities. The technology is in the public domain in Brazil.

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Latest action published by the INPI: 04/29/1986. We update with every new RPI gazette, published weekly.

Applicants and inventors

Applicants

Usinas Siderúrgicas de Minas Gerais S/A - USIMINAS

MG, BR

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Inventors

A. E. (pessoa física)

Technical data

IPC Classification

H04M 9/06

Prosecution history

Publications in the Brazilian Industrial Property Gazette (RPI).

Concessão da patente

#16.1

04/29/1986

RPI 810

Notificação para pagamento de retribuição

#13.1

12/24/1985

RPI 792

Deferimento

#9.1

08/20/1985

RPI 774

Exigência - art. 36 da LPI

#6.1

03/26/1985

RPI 753

Solicitação de exame técnico

#4.1

08/21/1984

RPI 722

Publicação do pedido de patente

#3.1

04/19/1983

RPI 652

Pedido de patente depositado

#2.1

10/20/1981

RPI 574

Anuidade - prazo legal encerrado

#18.2

09/13/1994

RPI 1241

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