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Official data from INPI

REFRATARIOS ISOLANTES DE BAIXA DENSIDADE

Em AnáliseInvention Patent

Application data

Number

PI8402543

Type

Invention Patent

Filing

05/21/1984

Publication

12/31/1985

Progress at the INPI

Under appeal
  1. Filing05/21/84
  2. Publication12/31/85
  3. Examination03/01/88
  4. Refused05/15/90
  5. Grant
  6. In force

The application was refused by the INPI on 05/15/1990. The invention was never patented.

Talk to a specialist

Latest action published by the INPI: 09/05/1989. We update with every new RPI gazette, published weekly.

Applicants and inventors

Applicants

P. C. (pessoa física)

Inventors

C. [. (pessoa física)

Technical data

IPC Classification

Prosecution history

Publications in the Brazilian Industrial Property Gazette (RPI).

Conhecimento de parecer técnico

#7.1

09/05/1989

RPI 985

Solicitação de exame técnico

#4.1

03/01/1988

RPI 906

Retificação

#15.6

12/22/1987

RPI 896

Retificação

#15.3

09/22/1987

RPI 883

Publicação do pedido de patente

#3.1

12/31/1985

RPI 793

Pedido de patente depositado

#2.1

08/07/1984

RPI 720

Indeferimento

#9.2

05/15/1990

RPI 1018

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