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Official data from INPI

MATERIAL E PROCESSO PARA A FABRICAÇÃO DE MOLDES DE FUNDIÇÃO

Prazo de SigiloInvention Patent

Application data

Number

PI8902818

Type

Invention Patent

Filing

06/13/1989

Publication

02/01/1990

Progress at the INPI

  1. Filing06/13/89
  2. Publication02/01/90
  3. Examination03/19/91
  4. Allowance03/04/97
  5. Grant01/21/98
  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: 07/25/1989. We update with every new RPI gazette, published weekly.

Applicants and inventors

Applicants

K. A. (pessoa física)

DE

Inventors

H. G. (pessoa física)

DE

Technical data

IPC Classification

Priority claims

DE

P 38 20 203.4 · 06/14/1988

Prosecution history

Publications in the Brazilian Industrial Property Gazette (RPI).

Pedido de patente depositado

#2.1

07/25/1989

RPI 979

Carta-patente expirada

#21.1

Patente extinta em 13/06/2009

12/26/2012

RPI 2190

Concessão da patente

#16.1

01/21/1998

RPI 1413

Notificação para pagamento de retribuição

#13.1

09/23/1997

RPI 1399

Deferimento

#9.1

03/04/1997

RPI 1370

Exigência - art. 36 da LPI

#6.1

06/11/1996

RPI 1332

Solicitação de exame técnico

#4.1

03/19/1991

RPI 1059

Publicação do pedido de patente

#3.1

02/01/1990

RPI 1004

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