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Official data from INPI

PROCESSO APERFEICOADO PARA A PRODUCAO DE UMA LIGACAO SOLDADA BEM COMO PECAS PRODUZIDAS CONSOANTE O PROCESSO

Em AnáliseInvention Patent

Application data

Number

PI7602954

Type

Invention Patent

Filing

05/11/1976

Publication

-

Progress at the INPI

  1. Filing05/11/76
  2. Publication
  3. Examination
  4. Allowance
  5. Grant12/29/81
  6. Terminated11/17/87

The patent was granted on 12/29/1981 and later terminated for failure to pay the annuities. The technology is in the public domain in Brazil.

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Latest action published by the INPI: 11/17/1987. We update with every new RPI gazette, published weekly.

Applicants and inventors

Applicants

VOEST ALPINE MONTAN AG

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Inventors

A. H. (pessoa física)

P. M. (pessoa física)

Technical data

IPC Classification

Prosecution history

Publications in the Brazilian Industrial Property Gazette (RPI).

Anuidade - prazo legal encerrado

#18.2

11/17/1987

RPI 891

Concessão da patente

#16.1

12/29/1981

RPI 584

Republicação - classificação IPC

#15.11

Procedimento automático de reclassificação. A classificação IPC anterior era B23K 1/12.

03/27/2018

RPI 2464

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