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Official data from INPI

PROCESSO PARA PRODUZIR UM MATERIAL DE CONSTRUÇÃO RESISTENTE À ÁGUA E MATERIAL DE CONSTRUÇÃO DE SILICATO E POLÍMERO

Em AnáliseInvention Patent

Application data

Number

PI8800638

Type

Invention Patent

Filing

02/12/1988

Publication

09/27/1988

Progress at the INPI

  1. Filing02/12/88
  2. Publication09/27/88
  3. Abandoned12/13/88
  4. Allowance
  5. Grant
  6. In force

The application was abandoned: the INPI technical office action was not answered in time (art. 36 of the Brazilian IP Act). The technology is in the public domain in Brazil.

Talk to a specialist

Latest action published by the INPI: 12/13/1988. We update with every new RPI gazette, published weekly.

Applicants and inventors

Applicants

Armstrong World Industries, Inc

US

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Inventors

L. H. (pessoa física)

US

R. B. (pessoa física)

US

S. G. (pessoa física)

US

T. T. (pessoa física)

US

W. B. (pessoa física)

US

Technical data

IPC Classification

Priority claims

US

015.262 · 02/17/1987

Prosecution history

Publications in the Brazilian Industrial Property Gazette (RPI).

Solicitação de exame técnico

#4.1

12/13/1988

RPI 947

Publicação do pedido de patente

#3.1

09/27/1988

RPI 936

Pedido de patente depositado

#2.1

05/24/1988

RPI 918

Arquivamento - Art. 36 §1° da LPI

#11.2

03/23/1993

RPI 1164

Exigência - art. 36 da LPI

#6.1

04/28/1992

RPI 1117

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