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Official data from INPI

APARELHO E MÉTODO DE SOLDAGEM A ARCO POR CURTO-CIRCUITO

PublicadaInvention Patent

Application data

Number

PI8806748

Type

Invention Patent

Filing

12/20/1988

Publication

08/29/1989

Progress at the INPI

  1. Filing12/20/88
  2. Publication08/29/89
  3. Examination05/01/90
  4. Allowance
  5. Grant
  6. In force

Published on 08/29/1989, 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: 08/29/1989. We update with every new RPI gazette, published weekly.

Applicants and inventors

Applicants

The Lincoln Electric Company

US

Inventors

E. S. (pessoa física)

J. P. (pessoa física)

Technical data

IPC Classification

Priority claims

US

135.832 · 12/21/1987

Prosecution history

Publications in the Brazilian Industrial Property Gazette (RPI).

Publicação do pedido de patente

#3.1

08/29/1989

RPI 984

Pedido de patente depositado

#2.1

04/18/1989

RPI 965

Retificação

#15.3

07/26/1994

RPI 1234

Solicitação de exame técnico

#4.1

05/01/1990

RPI 1016

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