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Official data from INPI

FILTRO DE ESPUMA CERÂMICA E PROCESSO DE FABRICAÇÃO DO MESMO

Arquivada/ExtintaInvention Patent

Application data

Number

PI9003869

Type

Invention Patent

Filing

08/08/1990

Publication

09/03/1991

Progress at the INPI

  1. Filing08/08/90
  2. Publication09/03/91
  3. Examination10/06/92
  4. Allowance11/10/98
  5. Grant04/27/99
  6. Expired01/22/13

The letters patent expired on 01/22/2013: 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: 01/22/2013. We update with every new RPI gazette, published weekly.

Applicants and inventors

Applicants

Foseco International Limited

GB

See this company's full portfolio

Inventors

S. A. (pessoa física)

JP

Technical data

Priority claims

GB

8918048 · 08/08/1989

Prosecution history

Publications in the Brazilian Industrial Property Gazette (RPI).

Carta-patente expirada

#21.1

Patente extinta em 08/08/2010

01/22/2013

RPI 2194

Concessão da patente

#16.1

04/27/1999

RPI 1477

Republicação - classificação IPC

#15.11

Alterada de Int. Cl.6 C04B 38/00, 35/14 e 35/56

11/10/1998

RPI 1453

Deferimento

#9.1

11/10/1998

RPI 1453

Solicitação de exame técnico

#4.1

10/06/1992

RPI 1140

Publicação do pedido de patente

#3.1

09/03/1991

RPI 1083

Pedido de patente depositado

#2.1

02/13/1991

RPI 1054

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