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Official data from INPI

MÁQUINA DE SOLDA A OXIGÊNIO - HIDROGÊNIO E HIDROCARBONETOS

Em AnáliseInvention Patent

Application data

Number

PI8700404

Type

Invention Patent

Filing

01/26/1987

Publication

08/09/1988

Progress at the INPI

  1. Filing01/26/87
  2. Publication08/09/88
  3. Examination02/06/90
  4. Allowance
  5. Grant
  6. In force

Published on 08/09/1988, 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: 11/21/1989. We update with every new RPI gazette, published weekly.

Applicants and inventors

Applicants

Pesquitec -Pesquisas Tecnológicas Ltda

RS, BR

Inventors

A. L. (pessoa física)

BR

Technical data

Prosecution history

Publications in the Brazilian Industrial Property Gazette (RPI).

14.1

11/21/1989

RPI 996

Publicação do pedido de patente

#3.1

08/09/1988

RPI 929

Pedido de patente depositado

#2.1

06/02/1987

RPI 867

Republicação - classificação IPC

#15.11

As classificações anteriores eram: B23K 28/02, B23K 5/14

08/25/2015

RPI 2329

Retificação

#15.3

05/25/1993

RPI 1173

Solicitação de exame técnico

#4.1

02/06/1990

RPI 1005

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