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Official data from INPI

DISPOSITIVO ALIMENTADOR PARA UM REATOR DESTINADO A GESEIFICACAO PRESSURIZADA DO CARVAO

Em AnáliseInvention Patent

Application data

Number

PI7606089

Type

Invention Patent

Filing

09/17/1975

Publication

-

Progress at the INPI

  1. Filing09/17/75
  2. Publication
  3. Examination
  4. Allowance
  5. Grant11/10/81
  6. Terminated05/21/85

The patent was granted on 11/10/1981 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: 05/21/1985. We update with every new RPI gazette, published weekly.

Applicants and inventors

Applicants

METALLGESELLSCHAFT AG

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Inventors

B. G. (pessoa física)

B. H. (pessoa física)

H. C. (pessoa física)

Z. K. (pessoa física)

Technical data

IPC Classification

Prosecution history

Publications in the Brazilian Industrial Property Gazette (RPI).

Anuidade - prazo legal encerrado

#18.2

05/21/1985

RPI 761

Cessão de direito de exploração

#22.1

11/20/1984

RPI 735

Concessão da patente

#16.1

11/10/1981

RPI 577

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