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Official data from INPI

MOLA DE COMPRESSÃO EM ESPIRAL ABERTA.

IndeferidaInvention Patent

Application data

Number

PI8104052

Type

Invention Patent

Filing

06/26/1981

Publication

02/01/1983

Progress at the INPI

Under appeal
  1. Filing06/26/81
  2. Publication02/01/83
  3. Examination08/02/83
  4. Refused03/27/84
  5. Grant
  6. In force

The application was refused by the INPI on 03/27/1984. The invention was never patented.

Talk to a specialist

Latest action published by the INPI: 03/27/1984. We update with every new RPI gazette, published weekly.

Applicants and inventors

Applicants

Companhia Industrial de Metais e Laminados Cindumel.

Inventors

C. G. (pessoa física)

M. E. (pessoa física)

Technical data

IPC Classification

Prosecution history

Publications in the Brazilian Industrial Property Gazette (RPI).

Indeferimento

#9.2

03/27/1984

RPI 701

Solicitação de exame técnico

#4.1

08/02/1983

RPI 667

Publicação do pedido de patente

#3.1

02/01/1983

RPI 641

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