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Official data from INPI

SEPARADOR CENTRÍFUGO

Em AnáliseInvention Patent

Application data

Number

PI8603110

Type

Invention Patent

Filing

07/03/1986

Publication

02/17/1987

Progress at the INPI

  1. Filing07/03/86
  2. Publication02/17/87
  3. Examination05/09/89
  4. Allowance08/07/90
  5. Grant02/26/91
  6. Expired07/22/08

The letters patent expired on 07/22/2008: 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: 05/09/1989. We update with every new RPI gazette, published weekly.

Applicants and inventors

Applicants

Alfa-Laval Separation AB

SE

See this company's full portfolio

Inventors

K. S. (pessoa física)

SE

Technical data

IPC Classification

Priority claims

SE

8503346-2 · 07/05/1985

Prosecution history

Publications in the Brazilian Industrial Property Gazette (RPI).

Solicitação de exame técnico

#4.1

05/09/1989

RPI 968

Publicação do pedido de patente

#3.1

02/17/1987

RPI 852

Pedido de patente depositado

#2.1

12/30/1986

RPI 845

Carta-patente expirada

#21.1

Patente extinta em 03/07/2001

07/22/2008

RPI 1959

Concessão da patente

#16.1

02/26/1991

RPI 1056

Notificação para pagamento de retribuição

#13.1

11/20/1990

RPI 1042

Deferimento

#9.1

08/07/1990

RPI 1027

Exigência - art. 36 da LPI

#6.1

03/13/1990

RPI 1009

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