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Official data from INPI

PROCESSO PARA A PRODUÇÃO DE UM MATERIAL FORMADOR DE IMAGEM FOTOGRÁFICA TIPO MATE

Em AnáliseInvention Patent

Application data

Number

PI8801360

Type

Invention Patent

Filing

03/24/1988

Publication

11/01/1988

Progress at the INPI

  1. Filing03/24/88
  2. Publication11/01/88
  3. Examination06/27/89
  4. Allowance
  5. Grant
  6. In force

Published on 11/01/1988, 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: 06/27/1989. We update with every new RPI gazette, published weekly.

Applicants and inventors

Applicants

DU PONT [US]

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Inventors

H. N. (pessoa física)

DE

Technical data

IPC Classification

Priority claims

DE

P 37 09 818.7 · 03/25/1987

Prosecution history

Publications in the Brazilian Industrial Property Gazette (RPI).

Solicitação de exame técnico

#4.1

06/27/1989

RPI 975

Publicação do pedido de patente

#3.1

11/01/1988

RPI 941

Pedido de patente depositado

#2.1

07/19/1988

RPI 926

Retificação

#15.3

10/31/1995

RPI 1300

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