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Official data from INPI

PAINEL DE CONSTRUÇÃO COMPÓSITO E PROCESSO PARA A FORMAÇÃO DO MESMO

PublicadaInvention Patent

Application data

Number

PI8704880

Type

Invention Patent

Filing

09/23/1987

Publication

05/17/1988

Progress at the INPI

Under appeal
  1. Filing09/23/87
  2. Publication05/17/88
  3. Examination11/27/90
  4. Refused03/16/93
  5. Grant
  6. In force

The application was refused by the INPI on 03/16/1993. The invention was never patented.

Talk to a specialist

Latest action published by the INPI: 05/17/1988. We update with every new RPI gazette, published weekly.

Applicants and inventors

Applicants

The Dow Chemical Company

US

See this company's full portfolio

Inventors

T. C. (pessoa física)

US

Technical data

IPC Classification

Priority claims

US

911124 · 09/24/1986

Prosecution history

Publications in the Brazilian Industrial Property Gazette (RPI).

Publicação do pedido de patente

#3.1

05/17/1988

RPI 917

Pedido de patente depositado

#2.1

12/22/1987

RPI 896

Indeferimento

#9.2

03/16/1993

RPI 1163

Conhecimento de parecer técnico

#7.1

01/21/1992

RPI 1103

Solicitação de exame técnico

#4.1

11/27/1990

RPI 1043

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