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Official data from INPI

PROCESSO PARA DESAERAR LÍQUIDOS E APARELHO PARA REALIZAÇÃO DO PROCESSO.

ConcedidaInvention Patent

Application data

Number

PI8006649

Type

Invention Patent

Filing

10/15/1980

Publication

-

Progress at the INPI

  1. Filing10/15/80
  2. Publication
  3. Examination02/24/82
  4. Allowance10/23/84
  5. Grant04/30/85
  6. Expired11/14/95

The letters patent expired on 11/14/1995: the term of protection has ended. The technology is in the public domain and may be freely used 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

A/S Akers Mek. Verksted.

NO

Inventors

H. L. (pessoa física)

T. F. (pessoa física)

Technical data

IPC Classification

Priority claims

NO

79.3332 · 10/16/1979

Prosecution history

Publications in the Brazilian Industrial Property Gazette (RPI).

Concessão da patente

#16.1

04/30/1985

RPI 758

Notificação para pagamento de retribuição

#13.1

03/05/1985

RPI 750

Deferimento

#9.1

10/23/1984

RPI 731

Exigência - art. 36 da LPI

#6.1

04/17/1984

RPI 704

Conhecimento de parecer técnico

#7.1

10/18/1983

RPI 678

Solicitação de exame técnico

#4.1

02/24/1982

RPI 592

Carta-patente expirada

#21.1

11/14/1995

RPI 1302

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