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Official data from INPI

CONJUNTO DE PROTECAO PARA TRABALHOS EM ZONAS DE INTENSIDADE DE LUZ COM FORTE OSCILACAO,ESPECIALMENTE PARA TRABALHOS DE SOLDAGEM E DE CORTE BEM COMO VISOR INCORPORANDO O MESM

Em AnáliseInvention Patent

Application data

Number

PI7607529

Type

Invention Patent

Filing

11/11/1975

Publication

-

Progress at the INPI

  1. Filing11/11/75
  2. Publication
  3. Examination
  4. Allowance
  5. Grant12/29/81
  6. Terminated11/24/87

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.

Talk to a specialist

Latest action published by the INPI: 11/24/1987. We update with every new RPI gazette, published weekly.

Applicants and inventors

Applicants

TECHN BUREAU ABOF BV

Inventors

B. H. (pessoa física)

H. G. (pessoa física)

Technical data

IPC Classification

Prosecution history

Publications in the Brazilian Industrial Property Gazette (RPI).

Anuidade - prazo legal encerrado

#18.2

11/24/1987

RPI 892

16.3

03/30/1982

RPI 597

Concessão da patente

#16.1

12/29/1981

RPI 584

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