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Official data from INPI

ARRANJO EM CENTRAIS TELEFONICAS PARTICULARMENTE PARA LIGAR ESTAS CENTRAIS UMAS AS OUTRAS POR EXEMPLO ATRAVES DE UMA LINHA SEPARADA DA REDE TELEFONICA PUBLICA

Em AnáliseInvention Patent
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Application data

Number

PI8108996

Type

Invention Patent

Filing

11/05/1980

Publication

03/01/1983
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Progress at the INPI

  1. Filing11/05/80
  2. Publication03/01/83
  3. Examination03/20/84
  4. Allowance09/17/85
  5. Grant05/27/86
  6. Terminated11/16/88

The patent was granted on 05/27/1986 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: 11/16/1988. We update with every new RPI gazette, published weekly.

Applicants and inventors

Applicants

ERICSSON TELEFON AB L M [SE]

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Inventors

H. [. (pessoa física)

N. [. (pessoa física)

S. (pessoa física)

U. [. (pessoa física)

Technical data

IPC Classification

H04M 7/14

Prosecution history

Publications in the Brazilian Industrial Property Gazette (RPI).

Anuidade - prazo legal encerrado

#18.2

11/16/1988

RPI 943

Concessão da patente

#16.1

05/27/1986

RPI 814

Notificação para pagamento de retribuição

#13.1

01/21/1986

RPI 796

Deferimento

#9.1

09/17/1985

RPI 778

Exigência - art. 36 da LPI

#6.1

10/16/1984

RPI 730

Solicitação de exame técnico

#4.1

03/20/1984

RPI 700

Notificação de entrada na fase nacional - PCT

#1.3

03/01/1983

RPI 645

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