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Official data from INPI

SEM TITULO

ConcedidaInvention Patent

Application data

Number

PI7902686

Type

Invention Patent

Filing

05/03/1979

Publication

-

Progress at the INPI

  1. Filing05/03/79
  2. Publication
  3. Examination
  4. Allowance08/24/82
  5. Grant05/31/83
  6. Terminated07/20/93

The patent was granted on 05/31/1983 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: 05/31/1983. We update with every new RPI gazette, published weekly.

Applicants and inventors

Applicants

Telecomunicações do Rio de Janeiro S/A. - TELERJ

RJ, BR

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Inventors

Z. O. (pessoa física)

Technical data

IPC Classification

Prosecution history

Publications in the Brazilian Industrial Property Gazette (RPI).

Concessão da patente

#16.1

05/31/1983

RPI 658

Notificação para pagamento de retribuição

#13.1

01/11/1983

RPI 638

Deferimento

#9.1

08/24/1982

RPI 618

Exigência - art. 36 da LPI

#6.1

03/02/1982

RPI 593

Anuidade - prazo legal encerrado

#18.2

07/20/1993

RPI 1181

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