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Official data from INPI

ESTABILIZADOR DE TEMPERATURA DE UM DISPOSITIVO CONVERSOR ELETRO-ÓPTICO

Em AnáliseInvention Patent
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Application data

Number

PI8905429

Type

Invention Patent

Filing

10/20/1989

Publication

01/08/1991
View on INPI

Progress at the INPI

  1. Filing10/20/89
  2. Publication01/08/91
  3. Examination03/19/91
  4. Allowance
  5. Grant
  6. In force

Published on 01/08/1991, 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: 04/09/1996. We update with every new RPI gazette, published weekly.

Applicants and inventors

Applicants

NEC do Brasil S/A

SP, BR

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Inventors

C. P. (pessoa física)

M. H. (pessoa física)

Technical data

IPC Classification

H01S 3/13

Prosecution history

Publications in the Brazilian Industrial Property Gazette (RPI).

15.7

04/09/1996

RPI 1323

15.7

11/29/1994

RPI 1252

Alteração de numeração

#15.1

08/23/1994

RPI 1238

Solicitação de exame técnico

#4.1

03/19/1991

RPI 1059

Publicação antecipada

#3.2

01/08/1991

RPI 1049

Pedido de patente depositado

#2.1

10/09/1990

RPI 1036

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