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Official data from INPI

Película para janela à prova de tempestade compreendendo pelo menos cinco camadas.

Em AnáliseInvention Patent

Application data

Number

PI8502158

Type

Invention Patent

Filing

05/06/1985

Publication

01/07/1986

Progress at the INPI

  1. Filing05/06/85
  2. Publication01/07/86
  3. Examination10/20/87
  4. Allowance
  5. Grant
  6. In force

Published on 01/07/1986, 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: 10/20/1987. We update with every new RPI gazette, published weekly.

Applicants and inventors

Applicants

W.R. Grace & CO

US

See this company's full portfolio

Inventors

J. S. (pessoa física)

US

Technical data

IPC Classification

Priority claims

US

515.418 · 05/30/1984

US

694.362 · 01/24/1985

Prosecution history

Publications in the Brazilian Industrial Property Gazette (RPI).

Solicitação de exame técnico

#4.1

10/20/1987

RPI 887

Publicação do pedido de patente

#3.1

01/07/1986

RPI 794

Pedido de patente depositado

#2.1

07/09/1985

RPI 768

Retificação

#15.3

10/13/1992

RPI 1141

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