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Official data from INPI

INSTALACAO DE INTERCOMUNICACAO ELETRONICA

ConcedidaInvention Patent
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Application data

Number

PI8102253

Type

Invention Patent

Filing

04/16/1980

Publication

11/24/1981
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Progress at the INPI

  1. Filing04/16/80
  2. Publication11/24/81
  3. Examination03/09/82
  4. Allowance05/27/86
  5. Grant02/03/87
  6. Terminated08/30/94

The patent was granted on 02/03/1987 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: 02/03/1987. We update with every new RPI gazette, published weekly.

Applicants and inventors

Applicants

T. C. (pessoa física)

Inventors

B. A. (pessoa física)

C. J. (pessoa física)

Technical data

IPC Classification

H04M 9/00

Prosecution history

Publications in the Brazilian Industrial Property Gazette (RPI).

Concessão da patente

#16.1

02/03/1987

RPI 850

Notificação para pagamento de retribuição

#13.1

09/23/1986

RPI 831

Deferimento

#9.1

05/27/1986

RPI 814

Exigência - art. 36 da LPI

#6.1

09/24/1985

RPI 779

Republicação - classificação IPC

#15.11

04/23/1985

RPI 757

Exigência - art. 36 da LPI

#6.1

03/05/1985

RPI 750

Exigência - art. 36 da LPI

#6.1

06/05/1984

RPI 711

Solicitação de exame técnico

#4.1

03/09/1982

RPI 594

Publicação do pedido de patente

#3.1

11/24/1981

RPI 579

Anuidade - prazo legal encerrado

#18.2

08/30/1994

RPI 1239

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