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Official data from INPI

PROCESSO DE FABRICAÇÃO DE POLIESTIRENO EXPANSÍVEL POR EXTRUSÃO/PELETIZAÇÃO E PRODUTO FINAL OBTIDO

Prazo de SigiloInvention Patent

Application data

Number

PI8902448

Type

Invention Patent

Filing

04/27/1989

Publication

11/13/1990

Progress at the INPI

Under appeal
  1. Filing04/27/89
  2. Publication11/13/90
  3. Examination12/17/91
  4. Refused12/22/98
  5. Grant
  6. In force

The application was refused by the INPI on 12/22/1998. The invention was never patented.

Talk to a specialist

Latest action published by the INPI: 07/11/1989. We update with every new RPI gazette, published weekly.

Applicants and inventors

Applicants

Tupy Termotécnica Ltda

SC, BR

Inventors

E. P. (pessoa física)

Technical data

IPC Classification

Prosecution history

Publications in the Brazilian Industrial Property Gazette (RPI).

Pedido de patente depositado

#2.1

07/11/1989

RPI 977

Indeferimento

#9.2

Indeferido o pedido com base no Art. 8º da LPI 9279 de 14/05/96.

12/22/1998

RPI 1459

Conhecimento de parecer técnico

#7.1

05/27/1997

RPI 1382

Solicitação de exame técnico

#4.1

12/17/1991

RPI 1098

Publicação do pedido de patente

#3.1

11/13/1990

RPI 1041

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