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Official data from INPI

SISTEMA E PROCESSO PARA PRODUCAO DE LUZ COM UM ESTADO DE POLARIZACAO SELECIONADO

Em ExigênciaInvention Patent

Application data

Number

PI8405444

Type

Invention Patent

Filing

12/05/1983

Publication

09/03/1985

Progress at the INPI

Office action pending
  1. Filing12/05/83
  2. Publication09/03/85
  3. Examination05/20/86
  4. Allowance
  5. Grant
  6. In force

The INPI issued a technical office action on this application. If it is not answered in time, the application is abandoned (art. 36 of the Brazilian IP Act).

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Latest action published by the INPI: 05/23/1989. We update with every new RPI gazette, published weekly.

Applicants and inventors

Applicants

LITTON SYSTEMS INC [US]

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Inventors

P. A. (pessoa física)

Technical data

Prosecution history

Publications in the Brazilian Industrial Property Gazette (RPI).

Retificação

#15.3

05/23/1989

RPI 970

6.2

09/22/1987

RPI 883

Solicitação de exame técnico

#4.1

05/20/1986

RPI 813

Publicação do pedido de patente

#3.1

09/03/1985

RPI 776

Pedido de patente depositado

#2.1

01/08/1985

RPI 742

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