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Official data from INPI

SISTEMA CONTADOR DE TARIFA JUNTO AO TELEFONE

Em AnáliseInvention Patent
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Application data

Number

PI8100419

Type

Invention Patent

Filing

01/22/1981

Publication

09/28/1982
View on INPI

Progress at the INPI

  1. Filing01/22/81
  2. Publication09/28/82
  3. Examination02/16/83
  4. Allowance06/07/88
  5. Grant03/20/90
  6. Terminated02/04/92

The patent was granted on 03/20/1990 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: 11/07/1989. We update with every new RPI gazette, published weekly.

Applicants and inventors

Applicants

Telecomunicações do Paraná S/A Telepar

PR, BR

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Inventors

M. C. (pessoa física)

Technical data

IPC Classification

H04M 15/38

Prosecution history

Publications in the Brazilian Industrial Property Gazette (RPI).

Notificação para pagamento de retribuição

#13.1

11/07/1989

RPI 994

110

05/30/1989

RPI 971

Recurso

#12.1

09/27/1988

RPI 936

Deferimento

#9.1

06/07/1988

RPI 920

Retificação

#15.6

12/15/1987

RPI 895

Alteração de numeração

#15.1

10/06/1987

RPI 885

Exigência - art. 36 da LPI

#6.1

01/13/1987

RPI 847

Exigência - art. 36 da LPI

#6.1

06/17/1986

RPI 817

Exigência - art. 36 da LPI

#6.1

11/05/1985

RPI 785

Exigência - art. 36 da LPI

#6.1

04/16/1985

RPI 756

Exigência - art. 36 da LPI

#6.1

06/26/1984

RPI 714

Solicitação de exame técnico

#4.1

02/16/1983

RPI 643

Publicação do pedido de patente

#3.1

09/28/1982

RPI 623

Anuidade - prazo legal encerrado

#18.2

02/04/1992

RPI 1105

Concessão da patente

#16.1

03/20/1990

RPI 1010

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