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Official data from INPI

SISTEMA DE CONTROLE DE MÚLTIPLAS PRESSÕES E PROCESSO DE OPERAR UMA PISTOLA DE SOLDAR PNEUMÁTICA DO TIPO DE RECUO

Em AnáliseInvention Patent

Application data

Number

PI9101027

Type

Invention Patent

Filing

03/14/1991

Publication

07/21/1992

Progress at the INPI

  1. Filing03/14/91
  2. Publication07/21/92
  3. Examination06/08/93
  4. Allowance
  5. Grant
  6. In force

Published on 07/21/1992, 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: 12/05/1995. We update with every new RPI gazette, published weekly.

Applicants and inventors

Applicants

Mac Valves, Inc

US

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Inventors

R. N. (pessoa física)

US

T. V. (pessoa física)

US

Technical data

IPC Classification

Priority claims

US

07/571,134 · 08/22/1990

Prosecution history

Publications in the Brazilian Industrial Property Gazette (RPI).

Retificação

#15.3

12/05/1995

RPI 1305

Solicitação de exame técnico

#4.1

06/08/1993

RPI 1175

Publicação do pedido de patente

#3.1

07/21/1992

RPI 1129

Pedido de patente depositado

#2.1

09/03/1991

RPI 1083

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