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Official data from INPI

APERFEICOAMENTO EM APARELHO PARA FUNDICAO CONTINUA DE METAL EM TIRA

Em AnáliseInvention Patent

Application data

Number

PI7602347

Type

Invention Patent

Filing

04/15/1975

Publication

-

Progress at the INPI

  1. Filing04/15/75
  2. Publication
  3. Examination
  4. Allowance
  5. Grant02/24/82
  6. Terminated11/17/87

The patent was granted on 02/24/1982 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

ALCAN RES & DEV

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Inventors

S. O. (pessoa física)

S. D. (pessoa física)

S. T. (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

02/24/1982

RPI 592

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