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Official data from INPI

PROCESSO PARA A CONFIGURACAO DA MARGEM DE UMA CONCAVIDADE DE CAMARA DE COMBUSTAO,PREVISTA NO FUNDO DE UM PISTAO DE METAL LEVE

IndeferidaInvention Patent

Application data

Number

PI8007699

Type

Invention Patent

Filing

11/29/1979

Publication

-

Progress at the INPI

Under appeal
  1. Filing11/29/79
  2. Publication
  3. Examination08/03/82
  4. Refused03/25/86
  5. Grant
  6. In force

The application was refused by the INPI on 03/25/1986. The invention was never patented.

Talk to a specialist

Latest action published by the INPI: 03/25/1986. We update with every new RPI gazette, published weekly.

Applicants and inventors

Applicants

SCHMIDT GMBH KARL [DE]

Inventors

No inventors listed.

Technical data

IPC Classification

Prosecution history

Publications in the Brazilian Industrial Property Gazette (RPI).

Indeferimento

#9.2

03/25/1986

RPI 805

Republicação - classificação IPC

#15.11

12/11/1984

RPI 738

Conhecimento de parecer técnico

#7.1

08/28/1984

RPI 723

Pedido de certificado de adição de invenção

#5.1

01/25/1983

RPI 640

Solicitação de exame técnico

#4.1

08/03/1982

RPI 615

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