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Official data from INPI

APERFEICOAMENTO EM FILTRO

Em AnáliseUtility Model

Application data

Number

MU6200160

Type

Utility Model

Filing

02/08/1982

Publication

08/23/1983

Progress at the INPI

Under appeal
  1. Filing02/08/82
  2. Publication08/23/83
  3. Examination11/01/83
  4. Refused04/02/85
  5. Grant
  6. In force

The application was refused by the INPI on 04/02/1985. The invention was never patented.

Talk to a specialist

Latest action published by the INPI: 06/28/1988. We update with every new RPI gazette, published weekly.

Applicants and inventors

Applicants

PIERIM JOSE FILHO [BR]

Inventors

P. [. (pessoa física)

Technical data

IPC Classification

Prosecution history

Publications in the Brazilian Industrial Property Gazette (RPI).

15.7

06/28/1988

RPI 923

Indeferimento

#9.2

04/02/1985

RPI 754

Pedido de certificado de adição de invenção

#5.1

03/27/1984

RPI 701

Solicitação de exame técnico

#4.1

11/01/1983

RPI 680

Publicação antecipada

#3.2

08/23/1983

RPI 670

Pedido de patente depositado

#2.1

03/30/1982

RPI 597

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