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Official data from INPI

PISTAO DE METAL LEVE PARA MAQUINAS DE COMBUSTAO INTERNA

IndeferidaInvention Patent

Application data

Number

PI8104159

Type

Invention Patent

Filing

07/01/1980

Publication

03/16/1982

Progress at the INPI

Under appeal
  1. Filing07/01/80
  2. Publication03/16/82
  3. Examination08/02/83
  4. Refused12/11/84
  5. Grant
  6. In force

The application was refused by the INPI on 12/11/1984. The invention was never patented.

Talk to a specialist

Latest action published by the INPI: 01/08/1985. We update with every new RPI gazette, published weekly.

Applicants and inventors

Applicants

SCHMIDT GMBH KARL [DE]

Inventors

S. W. (pessoa física)

W. E. (pessoa física)

Technical data

IPC Classification

Prosecution history

Publications in the Brazilian Industrial Property Gazette (RPI).

Republicação - classificação IPC

#15.11

01/08/1985

RPI 742

Indeferimento

#9.2

12/11/1984

RPI 738

Conhecimento de parecer técnico

#7.1

05/08/1984

RPI 707

Pedido de certificado de adição de invenção

#5.1

12/20/1983

RPI 687

Solicitação de exame técnico

#4.1

08/02/1983

RPI 667

Publicação do pedido de patente

#3.1

03/16/1982

RPI 595

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