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Official data from INPI

DISPOSIÇÃO INTRODUZIDA EM MÁSCARA FILTRANTE

Prazo de SigiloUtility Model

Application data

Number

MU6900608

Type

Utility Model

Filing

04/13/1989

Publication

02/19/1991

Progress at the INPI

  1. Filing04/13/89
  2. Publication02/19/91
  3. Examination07/16/91
  4. Refused05/10/94
  5. Grant
  6. In force

The application was refused on 05/10/1994 and the appeal did not change the decision. The invention was never patented and the technology is in the public domain in Brazil.

Talk to a specialist

Latest action published by the INPI: 05/30/1989. We update with every new RPI gazette, published weekly.

Applicants and inventors

Applicants

M. F. (pessoa física)

SP, BR

Inventors

M. F. (pessoa física)

BR

Technical data

IPC Classification

Prosecution history

Publications in the Brazilian Industrial Property Gazette (RPI).

Pedido de patente depositado

#2.1

05/30/1989

RPI 971

111

05/10/1994

RPI 1223

Petição de recurso

#12.2

02/08/1994

RPI 1210

Indeferimento

#9.2

10/05/1993

RPI 1192

Solicitação de exame técnico

#4.1

07/16/1991

RPI 1076

Publicação do pedido de patente

#3.1

02/19/1991

RPI 1055

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