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Official data from INPI

PROCESSO E DISPOSITIVO PARA SEPARACAO DE AGUA E DE SUBSTANCIAS INSOLUVEIS CONTIDAS NA MESMA

Em AnáliseInvention Patent

Application data

Number

PI7604180

Type

Invention Patent

Filing

04/23/1976

Publication

-

Progress at the INPI

  1. Filing04/23/76
  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.

Talk to a specialist

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

Applicants and inventors

Applicants

BALLAST NEDAM GROEP NV

SKIMOVEX BV

Inventors

B. J. (pessoa física)

L. H. (pessoa física)

M. C. (pessoa física)

W. 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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