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Official data from INPI

SISTEMA DE ATENDIMENTO AUTOMÁTICO DE MENSAGENS GRAVADAS

Em AnáliseInvention Patent
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Application data

Number

PI8705075

Type

Invention Patent

Filing

08/28/1987

Publication

04/04/1989
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Progress at the INPI

  1. Filing08/28/87
  2. Publication04/04/89
  3. Examination10/24/89
  4. Allowance06/08/93
  5. Grant04/26/94
  6. Terminated06/25/96

The patent was granted on 04/26/1994 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: 10/24/1989. We update with every new RPI gazette, published weekly.

Applicants and inventors

Applicants

Ciaer-Telecomunicações Ltda.

SC, BR

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Inventors

A. D. (pessoa física)

BR

A. S. (pessoa física)

BR

E. O. (pessoa física)

BR

Technical data

IPC Classification

H04M 1/64H04M 3/50

Prosecution history

Publications in the Brazilian Industrial Property Gazette (RPI).

Solicitação de exame técnico

#4.1

10/24/1989

RPI 992

Publicação do pedido de patente

#3.1

04/04/1989

RPI 963

Pedido de patente depositado

#2.1

12/22/1987

RPI 896

Anuidade - prazo legal encerrado

#18.2

06/25/1996

RPI 1334

Concessão da patente

#16.1

04/26/1994

RPI 1221

Notificação para pagamento de retribuição

#13.1

10/19/1993

RPI 1194

Deferimento

#9.1

06/08/1993

RPI 1175

Retificação

#15.6

03/16/1993

RPI 1163

Retificação

#15.3

10/27/1992

RPI 1143

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