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Official data from INPI

APARELHO PARA FLUTUAÇÃO DE MATÉRIA SÓLIDA FLOCULADA EM UM LÍQUIDO.

ConcedidaInvention Patent

Application data

Number

PI8101365

Type

Invention Patent

Filing

03/09/1981

Publication

-

Progress at the INPI

  1. Filing03/09/81
  2. Publication
  3. Examination08/23/83
  4. Allowance10/16/84
  5. Grant04/30/85
  6. Terminated02/04/92

The patent was granted on 04/30/1985 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: 04/30/1985. We update with every new RPI gazette, published weekly.

Applicants and inventors

Applicants

Esmil B.V.

NL

Inventors

V. J. (pessoa física)

Technical data

IPC Classification

Priority claims

NL

8001372 · 03/07/1980

Prosecution history

Publications in the Brazilian Industrial Property Gazette (RPI).

Concessão da patente

#16.1

04/30/1985

RPI 758

Deferimento

#9.1

10/16/1984

RPI 730

Exigência - art. 36 da LPI

#6.1

05/08/1984

RPI 707

Solicitação de exame técnico

#4.1

08/23/1983

RPI 670

Anuidade - prazo legal encerrado

#18.2

02/04/1992

RPI 1105

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