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Official data from INPI

COMUTADOR OPTICO E PROCESSO DE COMUTAR UM SINAL OPTICO

Em AnáliseInvention Patent

Application data

Number

PI8404074

Type

Invention Patent

Filing

08/15/1983

Publication

07/16/1985

Progress at the INPI

  1. Filing08/15/83
  2. Publication07/16/85
  3. Examination08/25/87
  4. Allowance
  5. Grant
  6. In force

Published on 07/16/1985, the application is awaiting technical examination at the INPI, which decides whether the invention meets the patentability requirements.

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Latest action published by the INPI: 09/06/1988. We update with every new RPI gazette, published weekly.

Applicants and inventors

Applicants

UNIV LELAND STANFORD JUNIOR [US]

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Inventors

B. A. (pessoa física)

D. F. (pessoa física)

S. J. (pessoa física)

Technical data

IPC Classification

Prosecution history

Publications in the Brazilian Industrial Property Gazette (RPI).

Retificação

#15.3

09/06/1988

RPI 933

Solicitação de exame técnico

#4.1

08/25/1987

RPI 879

Publicação do pedido de patente

#3.1

07/16/1985

RPI 769

Pedido de patente depositado

#2.1

10/16/1984

RPI 730

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