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Official data from INPI

SISTEMAS DE COMUNICACOES DE DADOS COMUTADOS EM PACOTES

Em AnáliseInvention Patent

Application data

Number

PI7707476

Type

Invention Patent

Filing

11/10/1976

Publication

-

Progress at the INPI

  1. Filing11/10/76
  2. Publication
  3. Examination
  4. Allowance05/03/83
  5. Grant11/29/83
  6. Terminated12/15/87

The patent was granted on 11/29/1983 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: 12/15/1987. We update with every new RPI gazette, published weekly.

Applicants and inventors

Applicants

INT STANDARD ELECTRIC CORP

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Inventors

C. W. (pessoa física)

G. R. (pessoa física)

L. G. (pessoa física)

U. S. (pessoa física)

Technical data

IPC Classification

Prosecution history

Publications in the Brazilian Industrial Property Gazette (RPI).

Anuidade - prazo legal encerrado

#18.2

12/15/1987

RPI 895

16.3

02/14/1984

RPI 695

Concessão da patente

#16.1

11/29/1983

RPI 684

Notificação para pagamento de retribuição

#13.1

09/20/1983

RPI 674

Deferimento

#9.1

05/03/1983

RPI 654

8.1

10/13/1982

RPI 625

Exigência - art. 36 da LPI

#6.1

11/10/1981

RPI 577

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