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Official data from INPI

FILTRO PARA TRATORES

PublicadaUtility Model

Application data

Number

MU6702943

Type

Utility Model

Filing

12/30/1987

Publication

08/08/1989

Progress at the INPI

  1. Filing12/30/87
  2. Publication08/08/89
  3. Examination03/06/90
  4. Allowance
  5. Grant
  6. In force

Published on 08/08/1989, the application is awaiting technical examination at the INPI, which decides whether the invention meets the patentability requirements.

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

Applicants and inventors

Applicants

I. K. (pessoa física)

SP, BR

Inventors

I. K. (pessoa física)

BR

Technical data

IPC Classification

Prosecution history

Publications in the Brazilian Industrial Property Gazette (RPI).

Publicação do pedido de patente

#3.1

08/08/1989

RPI 981

Pedido de patente depositado

#2.1

05/03/1988

RPI 915

137

04/12/1994

RPI 1219

Retificação

#15.3

08/03/1993

RPI 1183

120

03/09/1993

RPI 1162

Republicação - classificação IPC

#15.11

09/22/1992

RPI 1138

Petição de recurso

#12.2

12/17/1991

RPI 1098

Republicação - classificação IPC

#15.11

10/22/1991

RPI 1090

Indeferimento

#9.2

08/27/1991

RPI 1082

Pedido de certificado de adição de invenção

#5.1

08/07/1990

RPI 1027

Solicitação de exame técnico

#4.1

03/06/1990

RPI 1008

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