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Official data from INPI

ADAPTADOR PARA REGULAGEM DA VAZÃO DO GÁS CONTROLADOR DO ARCO EM TOCHAS DE SOLDAGEM

PublicadaInvention Patent

Application data

Number

PI8702124

Type

Invention Patent

Filing

04/09/1987

Publication

02/09/1988

Progress at the INPI

  1. Filing04/09/87
  2. Publication02/09/88
  3. Examination01/09/90
  4. Allowance
  5. Grant
  6. In force

Published on 02/09/1988, 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: 02/09/1988. We update with every new RPI gazette, published weekly.

Applicants and inventors

Applicants

E. C. (pessoa física)

US

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Inventors

T. G. (pessoa física)

US

Technical data

IPC Classification

Priority claims

US

850,626 · 04/11/1986

Prosecution history

Publications in the Brazilian Industrial Property Gazette (RPI).

Publicação do pedido de patente

#3.1

02/09/1988

RPI 903

Pedido de patente depositado

#2.1

07/28/1987

RPI 875

Retificação

#15.3

08/03/1993

RPI 1183

Solicitação de exame técnico

#4.1

01/09/1990

RPI 1001

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