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Official data from INPI

Processo aperfeiçoado de cortar exotermicamente uma peça a trabalhar, eletrodo exotérmico de corte e processo para formar um eletrodo exotérmico.

Em AnáliseInvention Patent

Application data

Number

PI8606298

Type

Invention Patent

Filing

12/19/1986

Publication

10/06/1987

Progress at the INPI

  1. Filing12/19/86
  2. Publication10/06/87
  3. Examination05/10/88
  4. Allowance
  5. Grant
  6. In force

Published on 10/06/1987, 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: 05/10/1988. We update with every new RPI gazette, published weekly.

Applicants and inventors

Applicants

Arcair Company

US

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Inventors

D. M. (pessoa física)

H. H. (pessoa física)

Technical data

IPC Classification

Priority claims

US

815.433 · 12/31/1985

Prosecution history

Publications in the Brazilian Industrial Property Gazette (RPI).

Solicitação de exame técnico

#4.1

05/10/1988

RPI 916

Publicação do pedido de patente

#3.1

10/06/1987

RPI 885

Pedido de patente depositado

#2.1

04/28/1987

RPI 862

Retificação

#15.3

03/09/1993

RPI 1162

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