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Official data from INPI

PROCESSO PARA O TRATAMENTO TERMICO DE MATERIAL EM FORMA DE PO ESPECIALMENTE PARA A CALCINACAO DE CIMENTO,EM VARIAS FASES

Em AnáliseInvention Patent

Application data

Number

PI7608538

Type

Invention Patent

Filing

12/24/1975

Publication

-

Progress at the INPI

  1. Filing12/24/75
  2. Publication
  3. Examination
  4. Allowance
  5. Grant
  6. Terminated11/24/87

The patent was granted 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: 11/24/1987. We update with every new RPI gazette, published weekly.

Applicants and inventors

Applicants

KLOECKNER HUMBOLDT DEUTZ AG

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Inventors

B. K. (pessoa física)

Technical data

IPC Classification

No IPC classification.

Prosecution history

Publications in the Brazilian Industrial Property Gazette (RPI).

Anuidade - prazo legal encerrado

#18.2

11/24/1987

RPI 892

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