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Official data from INPI

SISTEMA DE ARREFECIMENTO DE SUPERFÍCIES EXTERNAS DE EDIFICAÇÕES EM GERAL

Prazo de SigiloInvention Patent

Application data

Number

PI8902053

Type

Invention Patent

Filing

05/02/1989

Publication

11/06/1990

Progress at the INPI

Under appeal
  1. Filing05/02/89
  2. Publication11/06/90
  3. Examination02/18/92
  4. Refused02/27/96
  5. Grant
  6. In force

The application was refused by the INPI on 02/27/1996. The invention was never patented.

Talk to a specialist

Latest action published by the INPI: 06/13/1989. We update with every new RPI gazette, published weekly.

Applicants and inventors

Applicants

W. N. (pessoa física)

SP, BR

Inventors

A. N. (pessoa física)

BR

W. N. (pessoa física)

BR

Technical data

IPC Classification

Prosecution history

Publications in the Brazilian Industrial Property Gazette (RPI).

Pedido de patente depositado

#2.1

06/13/1989

RPI 973

Indeferimento

#9.2

02/27/1996

RPI 1317

Conhecimento de parecer técnico

#7.1

11/08/1994

RPI 1249

Solicitação de exame técnico

#4.1

02/18/1992

RPI 1107

Publicação do pedido de patente

#3.1

11/06/1990

RPI 1040

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