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Official data from INPI

PROCESSO E APARELHO PARA SEPARACAO DE UMA MISTURA

Em AnáliseInvention Patent

Application data

Number

PI7803498

Type

Invention Patent

Filing

05/31/1977

Publication

-

Progress at the INPI

  1. Filing05/31/77
  2. Publication
  3. Examination
  4. Allowance10/14/86
  5. Grant06/30/87
  6. Terminated10/03/89

The patent was granted on 06/30/1987 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: 10/03/1989. We update with every new RPI gazette, published weekly.

Applicants and inventors

Applicants

ESMIL BV

Inventors

W. W. (pessoa física)

Technical data

IPC Classification

Prosecution history

Publications in the Brazilian Industrial Property Gazette (RPI).

Anuidade - prazo legal encerrado

#18.2

10/03/1989

RPI 989

Concessão da patente

#16.1

06/30/1987

RPI 871

Notificação para pagamento de retribuição

#13.1

03/10/1987

RPI 855

Deferimento

#9.1

10/14/1986

RPI 834

8.1

08/26/1986

RPI 827

Exigência - art. 36 da LPI

#6.1

06/11/1985

RPI 764

Exigência - art. 36 da LPI

#6.1

10/23/1984

RPI 731

Exigência - art. 36 da LPI

#6.1

05/02/1984

RPI 706

Exigência - art. 36 da LPI

#6.1

11/16/1982

RPI 630

6.2

01/26/1982

RPI 588

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