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Official data from INPI

APERFEIÇOAMENTOS EM ELEMENTO DE FILTRO

ArquivadaInvention Patent

Application data

Number

PI8904311

Type

Invention Patent

Filing

08/28/1989

Publication

04/17/1990

Progress at the INPI

  1. Filing08/28/89
  2. Publication04/17/90
  3. Abandoned10/23/90
  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.

Talk to a specialist

Latest action published by the INPI: 08/06/1996. We update with every new RPI gazette, published weekly.

Applicants and inventors

Applicants

Pak Filtragem Industrial Ltda.

SP, BR

Inventors

I. C. (pessoa física)

Technical data

IPC Classification

Prosecution history

Publications in the Brazilian Industrial Property Gazette (RPI).

Arquivamento - Art. 36 §1° da LPI

#11.2

08/06/1996

RPI 1340

Exigência - art. 36 da LPI

#6.1

10/31/1995

RPI 1300

15.5

10/26/1993

RPI 1195

14.4

07/27/1993

RPI 1182

Solicitação de exame técnico

#4.1

10/23/1990

RPI 1038

Publicação antecipada

#3.2

04/17/1990

RPI 1014

Pedido de patente depositado

#2.1

01/16/1990

RPI 1002

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