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Official data from INPI

PROCESSO PARA MANTER UNIFORMES REVESTIMENTOS DE RECOBRIMENTO POR FUSÃO E APARELHO PARA MANTER A ESTABILIDADE DIMENSIONAL DE CILINDRO DE ENCOSTO

PublicadaInvention Patent

Application data

Number

PI8802493

Type

Invention Patent

Filing

05/20/1988

Publication

12/20/1988

Progress at the INPI

  1. Filing05/20/88
  2. Publication12/20/88
  3. Examination02/05/91
  4. Allowance
  5. Grant
  6. In force

Published on 12/20/1988, 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: 12/20/1988. We update with every new RPI gazette, published weekly.

Applicants and inventors

Applicants

Acumeter Laboratories Inc

US

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Inventors

F. M. (pessoa física)

US

Technical data

IPC Classification

Priority claims

US

053.386 · 05/22/1987

Prosecution history

Publications in the Brazilian Industrial Property Gazette (RPI).

Publicação do pedido de patente

#3.1

12/20/1988

RPI 948

Pedido de patente depositado

#2.1

10/18/1988

RPI 939

Retificação

#15.3

05/31/1994

RPI 1226

Solicitação de exame técnico

#4.1

02/05/1991

RPI 1053

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