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Official data from INPI

SEM TITULO

Em AnáliseInvention Patent

Application data

Number

PI8006293

Type

Invention Patent

Filing

09/30/1980

Publication

-

Progress at the INPI

  1. Filing09/30/80
  2. Publication
  3. Examination
  4. Allowance09/06/83
  5. Grant03/27/84
  6. Terminated03/12/96

The patent was granted on 03/27/1984 and later terminated. Protection ended before the full term and the technology is in the public domain in Brazil.

Talk to a specialist

Latest action published by the INPI: 04/09/1985. We update with every new RPI gazette, published weekly.

Applicants and inventors

Applicants

Telecomunicaçoes do Rio de Janeiro S.A. - Telerj.

RJ, BR

See this company's full portfolio

Inventors

D. L. (pessoa física)

G. A. (pessoa física)

Technical data

IPC Classification

Prosecution history

Publications in the Brazilian Industrial Property Gazette (RPI).

211

04/09/1985

RPI 755

Pedido de licença voluntária

#17.1

11/13/1984

RPI 734

Concessão da patente

#16.1

03/27/1984

RPI 701

Notificação para pagamento de retribuição

#13.1

12/27/1983

RPI 688

Deferimento

#9.1

09/06/1983

RPI 672

21.5

04/09/1996

RPI 1323

Carta-patente expirada

#21.1

03/12/1996

RPI 1319

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