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Official data from INPI

FILTRO DESPOLUIDOR POR ACÚSTICA

IndeferidaInvention Patent

Application data

Number

PI8403474

Type

Invention Patent

Filing

07/09/1984

Publication

03/04/1986

Progress at the INPI

Under appeal
  1. Filing07/09/84
  2. Publication03/04/86
  3. Examination05/20/86
  4. Refused08/15/89
  5. Grant
  6. In force

The application was refused by the INPI on 08/15/1989. The invention was never patented.

Talk to a specialist

Latest action published by the INPI: 08/15/1989. We update with every new RPI gazette, published weekly.

Applicants and inventors

Applicants

A. M. (pessoa física)

DF, BR

Inventors

A. M. (pessoa física)

BR

Technical data

IPC Classification

Prosecution history

Publications in the Brazilian Industrial Property Gazette (RPI).

Indeferimento

#9.2

08/15/1989

RPI 982

Conhecimento de parecer técnico

#7.1

11/29/1988

RPI 945

Solicitação de exame técnico

#4.1

05/20/1986

RPI 813

Publicação do pedido de patente

#3.1

03/04/1986

RPI 802

Pedido de patente depositado

#2.1

09/25/1984

RPI 727

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