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Official data from INPI

FILTRO PARA RETER IMPUREZAS DE GÁS COMBUSTÍVEL

IndeferidaInvention Patent

Application data

Number

PI8905594

Type

Invention Patent

Filing

11/01/1989

Publication

05/07/1991

Progress at the INPI

Under appeal
  1. Filing11/01/89
  2. Publication05/07/91
  3. Examination04/07/92
  4. Refused07/21/98
  5. Grant
  6. In force

The application was refused by the INPI on 07/21/1998. The invention was never patented.

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Latest action published by the INPI: 07/21/1998. We update with every new RPI gazette, published weekly.

Applicants and inventors

Applicants

Usinas Siderúrgicas de Minas Gerais S/A - Usiminas (Grupo Siderbrás)

MG, BR

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Inventors

J. F. (pessoa física)

BR

J. C. (pessoa física)

Technical data

IPC Classification

Prosecution history

Publications in the Brazilian Industrial Property Gazette (RPI).

Indeferimento

#9.2

Indeferido com base no artigo 8º da LPI

07/21/1998

RPI 1439

Conhecimento de parecer técnico

#7.1

11/25/1997

RPI 1408

15.5

08/29/1995

RPI 1291

Solicitação de exame técnico

#4.1

04/07/1992

RPI 1114

Publicação do pedido de patente

#3.1

05/07/1991

RPI 1066

Pedido de patente depositado

#2.1

10/30/1990

RPI 1039

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