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Official data from INPI

EQUIPAMENTO PARA LINHA TELEFONICA

ConcedidaInvention Patent

Application data

Number

PI7707753

Type

Invention Patent

Filing

11/25/1976

Publication

-

Progress at the INPI

  1. Filing11/25/76
  2. Publication
  3. Examination
  4. Allowance
  5. Grant07/27/82
  6. Terminated01/21/92

The patent was granted on 07/27/1982 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: 07/27/1982. We update with every new RPI gazette, published weekly.

Applicants and inventors

Applicants

J. S. (pessoa física)

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Inventors

B. A. (pessoa física)

P. J. (pessoa física)

Technical data

IPC Classification

Prosecution history

Publications in the Brazilian Industrial Property Gazette (RPI).

Concessão da patente

#16.1

07/27/1982

RPI 614

Notificação para pagamento de retribuição

#13.1

01/12/1982

RPI 586

Anuidade - prazo legal encerrado

#18.2

01/21/1992

RPI 1103

Pedido de licença compulsória

#20.1

10/02/1990

RPI 1035

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