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Official data from INPI

APARELHO DE FIACAO POR ATRITO E PROCESSO PARA INICIAR UMA FIACAO POR ATRITO

PublicadaInvention Patent

Application data

Number

PI8800438

Type

Invention Patent

Filing

02/06/1987

Publication

09/20/1988

Progress at the INPI

  1. Filing02/06/87
  2. Publication09/20/88
  3. Examination03/13/90
  4. Allowance
  5. Grant
  6. In force

Published on 09/20/1988, the application is awaiting technical examination at the INPI, which decides whether the invention meets the patentability requirements.

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Latest action published by the INPI: 09/20/1988. We update with every new RPI gazette, published weekly.

Applicants and inventors

Applicants

HOLLINGSWORTH UK LTD [GB]

Inventors

L. R. (pessoa física)

W. A. (pessoa física)

Technical data

IPC Classification

Prosecution history

Publications in the Brazilian Industrial Property Gazette (RPI).

Publicação do pedido de patente

#3.1

09/20/1988

RPI 935

Pedido de patente depositado

#2.1

06/21/1988

RPI 922

Retificação

#15.3

10/01/1991

RPI 1087

Solicitação de exame técnico

#4.1

03/13/1990

RPI 1009

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