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Official data from INPI

FILTRO PARA DRENAGEM

Em AnáliseInvention Patent

Application data

Number

PI8800772

Type

Invention Patent

Filing

02/24/1988

Publication

06/07/1988

Progress at the INPI

Under appeal
  1. Filing02/24/88
  2. Publication06/07/88
  3. Examination08/16/88
  4. Refused10/29/91
  5. Grant
  6. In force

The application was refused by the INPI on 10/29/1991. The invention was never patented.

Talk to a specialist

Latest action published by the INPI: 08/16/1988. We update with every new RPI gazette, published weekly.

Applicants and inventors

Applicants

T. H. (pessoa física)

SP, BR

Inventors

T. H. (pessoa física)

BR

Technical data

IPC Classification

Prosecution history

Publications in the Brazilian Industrial Property Gazette (RPI).

Solicitação de exame técnico

#4.1

08/16/1988

RPI 930

Publicação antecipada

#3.2

06/07/1988

RPI 920

Pedido de patente depositado

#2.1

05/31/1988

RPI 919

Indeferimento

#9.2

10/29/1991

RPI 1091

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