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Official data from INPI

APERFEIÇOAMENTO INTRODUZIDO EM ANÉIS DE SEGMENTO DE MOTORES A EXPLOSÃO OU COMBUSTÃO INTERNA (CICLO OTTO OU CICLO DIESEL) .

IndeferidaInvention Patent

Application data

Number

PI8405273

Type

Invention Patent

Filing

10/18/1984

Publication

05/27/1986

Progress at the INPI

Under appeal
  1. Filing10/18/84
  2. Publication05/27/86
  3. Examination08/19/86
  4. Refused04/26/88
  5. Grant
  6. In force

The application was refused by the INPI on 04/26/1988. The invention was never patented.

Talk to a specialist

Latest action published by the INPI: 04/26/1988. We update with every new RPI gazette, published weekly.

Applicants and inventors

Applicants

A. Z. (pessoa física)

Inventors

A. Z. (pessoa física)

Technical data

IPC Classification

Prosecution history

Publications in the Brazilian Industrial Property Gazette (RPI).

Indeferimento

#9.2

04/26/1988

RPI 914

Pedido de certificado de adição de invenção

#5.1

01/21/1987

RPI 848

Solicitação de exame técnico

#4.1

08/19/1986

RPI 826

Publicação do pedido de patente

#3.1

05/27/1986

RPI 814

Pedido de patente depositado

#2.1

01/02/1985

RPI 741

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