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Official data from INPI

APERFEIÇOAMENTO EM DISPOSITIVO DE PROJEÇÃO DE IMAGEM.

PublicadaInvention Patent
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Application data

Number

PI8702596

Type

Invention Patent

Filing

05/13/1987

Publication

12/13/1988
View on INPI

Progress at the INPI

  1. Filing05/13/87
  2. Publication12/13/88
  3. Examination01/08/91
  4. Allowance
  5. Grant
  6. In force

Published on 12/13/1988, 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: 12/13/1988. We update with every new RPI gazette, published weekly.

Applicants and inventors

Applicants

C. B. (pessoa física)

SP, BR

Inventors

C. L. (pessoa física)

BR

C. B. (pessoa física)

BR

Technical data

IPC Classification

H04N 5/74

Prosecution history

Publications in the Brazilian Industrial Property Gazette (RPI).

Publicação do pedido de patente

#3.1

12/13/1988

RPI 947

Pedido de patente depositado

#2.1

08/04/1987

RPI 876

Retificação

#15.3

11/05/1991

RPI 1092

Solicitação de exame técnico

#4.1

01/08/1991

RPI 1049

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