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Official data from INPI

TELHA CERÂMICA PRODUZIDA POR EXTRUSÃO DUPLA

Prazo de SigiloInvention Patent

Application data

Number

PI8903879

Type

Invention Patent

Filing

08/02/1989

Publication

02/05/1991

Progress at the INPI

Under appeal
  1. Filing08/02/89
  2. Publication02/05/91
  3. Examination04/27/93
  4. Refused03/01/95
  5. Grant
  6. In force

The application was refused by the INPI on 03/01/1995. The invention was never patented.

Talk to a specialist

Latest action published by the INPI: 10/31/1989. We update with every new RPI gazette, published weekly.

Applicants and inventors

Applicants

J. R. (pessoa física)

SP, BR

Inventors

J. R. (pessoa física)

BR

Technical data

IPC Classification

Prosecution history

Publications in the Brazilian Industrial Property Gazette (RPI).

Pedido de patente depositado

#2.1

10/31/1989

RPI 993

Indeferimento

#9.2

03/01/1995

RPI 1265

Conhecimento de parecer técnico

#7.1

08/02/1994

RPI 1235

Solicitação de exame técnico

#4.1

04/27/1993

RPI 1169

Publicação do pedido de patente

#3.1

02/05/1991

RPI 1053

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