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Official data from INPI

TAMBOR DE CENTRIFUGAÇÃO PARA A DECANTAÇÃO E SEPARAÇÃO DE LIQUIDOS DE CENTRIFUGAÇÃO

ConcedidaInvention Patent

Application data

Number

PI8400442

Type

Invention Patent

Filing

02/02/1984

Publication

09/18/1984

Progress at the INPI

  1. Filing02/02/84
  2. Publication09/18/84
  3. Examination01/08/85
  4. Allowance05/05/87
  5. Grant10/27/87
  6. Terminated02/25/92

The patent was granted on 10/27/1987 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: 10/27/1987. We update with every new RPI gazette, published weekly.

Applicants and inventors

Applicants

Westfalia Separator AG

DE

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Inventors

Z. K. (pessoa física)

Technical data

IPC Classification

Priority claims

DE

P 33 05 215.8 · 02/16/1983

Prosecution history

Publications in the Brazilian Industrial Property Gazette (RPI).

Concessão da patente

#16.1

10/27/1987

RPI 888

Notificação para pagamento de retribuição

#13.1

09/22/1987

RPI 883

Deferimento

#9.1

05/05/1987

RPI 863

Exigência - art. 36 da LPI

#6.1

07/15/1986

RPI 821

Solicitação de exame técnico

#4.1

01/08/1985

RPI 742

Publicação do pedido de patente

#3.1

09/18/1984

RPI 726

Pedido de patente depositado

#2.1

04/17/1984

RPI 704

Anuidade - prazo legal encerrado

#18.2

02/25/1992

RPI 1108

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