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Official data from INPI

DISPOSITIVO, PROCESSO E APARELHO PARA SOLDAGEM A ARCO TIG

PublicadaInvention Patent

Application data

Number

PI8806975

Type

Invention Patent

Filing

12/29/1988

Publication

09/05/1989

Progress at the INPI

  1. Filing12/29/88
  2. Publication
  3. Examination
  4. Allowance
  5. Grant
  6. In force

The application was filed at the INPI on 12/29/1988. It awaits formal examination and publication in the RPI gazette.

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Latest action published by the INPI: 09/05/1989. We update with every new RPI gazette, published weekly.

Applicants and inventors

Applicants

The Lincoln Electric Company

US

Inventors

E. S. (pessoa física)

Technical data

IPC Classification

Priority claims

US

138.854 · 12/29/1987

Prosecution history

Publications in the Brazilian Industrial Property Gazette (RPI).

Publicação do pedido de patente

#3.1

09/05/1989

RPI 985

Pedido de patente depositado

#2.1

05/02/1989

RPI 967

Retificação

#15.3

05/24/1994

RPI 1225

Pedido de certificado de adição de invenção

#5.1

09/04/1990

RPI 1031

Solicitação de exame técnico

#4.1

05/08/1990

RPI 1017

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