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Official data from INPI

MAÇARICO DE SOLDAGEM OU CORTE E PROCESSO DE IGNIÇÃO DE UM ARCO PARA O MESMO.

Em ExigênciaInvention Patent
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Application data

Number

PI8406245

Type

Invention Patent

Filing

12/06/1984

Publication

10/01/1985
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Progress at the INPI

  1. Filing12/06/84
  2. Publication10/01/85
  3. Examination11/03/87
  4. Allowance03/13/90
  5. Grant09/25/90
  6. Expired07/08/08

The letters patent expired on 07/08/2008: the term of protection has ended. The technology is in the public domain and may be freely used in Brazil.

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Latest action published by the INPI: 09/19/1989. We update with every new RPI gazette, published weekly.

Applicants and inventors

Applicants

L'Air Liquide, Societe Anonyme Pour L'Etude Et L'Exploitation Des Procedes Georges Claude.

FR

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Inventors

G. M. (pessoa física)

FR

Technical data

IPC Classification

B23K 9/00

Priority claims

FR

83 19.554 · 12/07/1983

Prosecution history

Publications in the Brazilian Industrial Property Gazette (RPI).

Exigência - art. 36 da LPI

#6.1

09/19/1989

RPI 987

6.2

07/26/1988

RPI 927

Solicitação de exame técnico

#4.1

11/03/1987

RPI 889

Publicação do pedido de patente

#3.1

10/01/1985

RPI 780

Pedido de patente depositado

#2.1

02/26/1985

RPI 749

Carta-patente expirada

#21.1

Patente extinta em 06/12/99

07/08/2008

RPI 1957

Concessão da patente

#16.1

09/25/1990

RPI 1034

Notificação para pagamento de retribuição

#13.1

07/24/1990

RPI 1025

Deferimento

#9.1

03/13/1990

RPI 1009

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