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Official data from INPI

DISPOSIÇÃO INTRODUZIDA EM FREIO PNEUMÁTICO POR AÇÃO DE MOLAS.

Em AnáliseUtility Model

Application data

Number

MU6801198

Type

Utility Model

Filing

06/01/1988

Publication

10/04/1988

Progress at the INPI

  1. Filing06/01/88
  2. Publication10/04/88
  3. Examination07/04/89
  4. Refused04/09/96
  5. Grant
  6. In force

The application was refused on 04/09/1996 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: 10/17/1989. We update with every new RPI gazette, published weekly.

Applicants and inventors

Applicants

Unitec Transmissões, Equipamentos e Sinterização Ltda.

SP, BR

See this company's full portfolio

Inventors

J. B. (pessoa física)

BR

Technical data

IPC Classification

Prosecution history

Publications in the Brazilian Industrial Property Gazette (RPI).

Pedido de certificado de adição de invenção

#5.1

10/17/1989

RPI 991

Solicitação de exame técnico

#4.1

07/04/1989

RPI 976

Publicação antecipada

#3.2

10/04/1988

RPI 937

Pedido de patente depositado

#2.1

09/27/1988

RPI 936

130

04/09/1996

RPI 1323

Retificação

#15.3

09/19/1995

RPI 1294

Recurso

#12.1

10/04/1994

RPI 1244

Deferimento

#9.1

06/14/1994

RPI 1228

Exigência - art. 36 da LPI

#6.1

09/21/1993

RPI 1190

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