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Official data from INPI

MATERIAL DE MOLDE PARA FORMAR MOLDES DE AREIA

Em AnáliseInvention Patent
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Application data

Number

PI8702165

Type

Invention Patent

Filing

04/30/1987

Publication

11/16/1988
View on INPI

Progress at the INPI

  1. Filing04/30/87
  2. Publication11/16/88
  3. Examination11/14/89
  4. Allowance06/27/95
  5. Grant01/30/96
  6. Expired07/29/08

The letters patent expired on 07/29/2008: the term of protection has ended. The technology is in the public domain and may be freely used in Brazil.

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Latest action published by the INPI: 11/14/1989. We update with every new RPI gazette, published weekly.

Applicants and inventors

Applicants

M. O. (pessoa física)

JP

T. N. (pessoa física)

JP

Inventors

M. O. (pessoa física)

JP

T. N. (pessoa física)

JP

Technical data

IPC Classification

B22C 1/20

Prosecution history

Publications in the Brazilian Industrial Property Gazette (RPI).

Solicitação de exame técnico

#4.1

11/14/1989

RPI 995

Publicação do pedido de patente

#3.1

11/16/1988

RPI 943

Pedido de patente depositado

#2.1

07/28/1987

RPI 875

Carta-patente expirada

#21.1

Patente extinta em 30/04/2002

07/29/2008

RPI 1960

Concessão da patente

#16.1

01/30/1996

RPI 1313

Notificação para pagamento de retribuição

#13.1

11/07/1995

RPI 1301

Deferimento

#9.1

06/27/1995

RPI 1282

Exigência - art. 36 da LPI

#6.1

11/08/1994

RPI 1249

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