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Official data from INPI

DISPOSIÇÃO INTRODUZIDA EM VÁLVULA RETENTORA DE AR.

Em AnáliseUtility Model

Application data

Number

MU6701879

Type

Utility Model

Filing

09/23/1987

Publication

12/29/1987

Progress at the INPI

  1. Filing09/23/87
  2. Publication12/29/87
  3. Examination06/28/88
  4. Allowance
  5. Grant
  6. In force

Published on 12/29/1987, 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: 11/08/1988. We update with every new RPI gazette, published weekly.

Applicants and inventors

Applicants

E. W. (pessoa física)

SP, BR

Inventors

E. W. (pessoa física)

Technical data

IPC Classification

Prosecution history

Publications in the Brazilian Industrial Property Gazette (RPI).

Pedido de certificado de adição de invenção

#5.1

11/08/1988

RPI 942

Solicitação de exame técnico

#4.1

06/28/1988

RPI 923

Publicação antecipada

#3.2

12/29/1987

RPI 897

Pedido de patente depositado

#2.1

12/22/1987

RPI 896

137

12/22/1992

RPI 1151

Retificação

#15.3

04/23/1991

RPI 1064

Deferimento

#9.1

01/02/1991

RPI 1048

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