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Official data from INPI

FILTRO DE ESPUMA DE CERÂMICA

ArquivadaInvention Patent

Application data

Number

PI9003536

Type

Invention Patent

Filing

07/20/1990

Publication

08/27/1991

Progress at the INPI

  1. Filing07/20/90
  2. Publication08/27/91
  3. Abandoned10/27/92
  4. Allowance
  5. Grant
  6. In force

The application was abandoned: the INPI technical office action was not answered in time (art. 36 of the Brazilian IP Act). The technology is in the public domain in Brazil.

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Latest action published by the INPI: 12/24/1996. We update with every new RPI gazette, published weekly.

Applicants and inventors

Applicants

Foseco International Limited, companhia britânica

GB

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Inventors

H. W. (pessoa física)

R. L. (pessoa física)

R. S. (pessoa física)

W. K. (pessoa física)

DE

Technical data

IPC Classification

Priority claims

GB

8916839 · 07/22/1989

Prosecution history

Publications in the Brazilian Industrial Property Gazette (RPI).

Arquivamento - Art. 36 §1° da LPI

#11.2

12/24/1996

RPI 1360

6.2

03/19/1996

RPI 1320

Solicitação de exame técnico

#4.1

10/27/1992

RPI 1143

Publicação do pedido de patente

#3.1

08/27/1991

RPI 1082

Pedido de patente depositado

#2.1

01/22/1991

RPI 1051

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