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Official data from INPI

PROCESSO DE MOLDAGEM COM ESPUMA PERDIDA E SOB PRESSÃO DE PEÇAS METÁLICAS

Prazo de SigiloInvention Patent

Application data

Number

PI8903257

Type

Invention Patent

Filing

06/30/1989

Publication

09/25/1990

Progress at the INPI

  1. Filing06/30/89
  2. Publication09/25/90
  3. Examination03/12/91
  4. Allowance09/17/96
  5. Grant05/27/97
  6. Expired12/26/12

The letters patent expired on 12/26/2012: the term of protection has ended. The technology is in the public domain and may be freely used in Brazil.

Talk to a specialist

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

Applicants and inventors

Applicants

A. P. (pessoa física)

FR

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Inventors

M. G. (pessoa física)

FR

Technical data

IPC Classification

Priority claims

FR

PV 8903706 · 03/07/1989

Prosecution history

Publications in the Brazilian Industrial Property Gazette (RPI).

Pedido de patente depositado

#2.1

10/10/1989

RPI 990

Carta-patente expirada

#21.1

Patente extinta em 30/06/2009

12/26/2012

RPI 2190

Concessão da patente

#16.1

05/27/1997

RPI 1382

Deferimento

#9.1

09/17/1996

RPI 1346

6.2

03/19/1996

RPI 1320

Solicitação de exame técnico

#4.1

03/12/1991

RPI 1058

Publicação do pedido de patente

#3.1

09/25/1990

RPI 1034

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