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Official data from INPI

APERFEIÇOAMENTOS NAS JUNTAS DE ACOPLAMENTO DOS SISTEMAS DE ESCAPE DE VEICULOS

PublicadaInvention Patent

Application data

Number

PI8706525

Type

Invention Patent

Filing

12/02/1987

Publication

06/20/1989

Progress at the INPI

Under appeal
  1. Filing12/02/87
  2. Publication06/20/89
  3. Examination01/23/90
  4. Refused09/04/90
  5. Grant
  6. In force

The application was refused by the INPI on 09/04/1990. The invention was never patented.

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Latest action published by the INPI: 06/20/1989. We update with every new RPI gazette, published weekly.

Applicants and inventors

Applicants

Sociedade Técnica de Elastomeros Stela Ltda.

SP, BR

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Inventors

J. P. (pessoa física)

Technical data

IPC Classification

Prosecution history

Publications in the Brazilian Industrial Property Gazette (RPI).

Publicação do pedido de patente

#3.1

06/20/1989

RPI 974

Pedido de patente depositado

#2.1

03/01/1988

RPI 906

Republicação - classificação IPC

#15.11

Procedimento automático de reclassificação. As classificações IPC anteriores eram: F01N 7/18; F16L 51/02.

03/20/2018

RPI 2463

Indeferimento

#9.2

09/04/1990

RPI 1031

Solicitação de exame técnico

#4.1

01/23/1990

RPI 1003

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