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Official data from INPI

PAINEL ESTRUTURA DE BAIXA MASSA ESOECÍFICA DE LÃ MINERAL E PROCESSO PARA A FABRICAÇÃO DO MESMO

Em AnáliseInvention PatentPCT · US1988000157

Application data

Number

PI8804822

Type

Invention Patent

Filing

01/12/1988

Publication

10/03/1989

PCT

US1988000157

Progress at the INPI

  1. Filing01/12/88
  2. Publication10/03/89
  3. Examination09/11/90
  4. Allowance
  5. Grant
  6. In force

Published on 10/03/1989, 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: 10/03/1989. We update with every new RPI gazette, published weekly.

Applicants and inventors

Applicants

USG Interiors, Inc

US

See this company's full portfolio

Inventors

D. I. (pessoa física)

US

Technical data

Priority claims

US

002,512 · 01/12/1987

Prosecution history

Publications in the Brazilian Industrial Property Gazette (RPI).

Notificação de entrada na fase nacional - PCT

#1.3

10/03/1989

RPI 989

Republicação - classificação IPC

#15.11

Procedimento automático de reclassificação. A classificação IPC anterior era D21D 3/00.

03/27/2018

RPI 2464

Retificação

#15.3

06/16/1992

RPI 1124

Solicitação de exame técnico

#4.1

09/11/1990

RPI 1032

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