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Official data from INPI

SEPARADOR CENTRÍFUGO

Arquivada/ExtintaInvention PatentPCT · SE1989000138

Application data

Number

PI8907411

Type

Invention Patent

Filing

03/16/1989

Publication

04/16/1991

PCT

SE1989000138

Progress at the INPI

  1. Filing03/16/89
  2. Publication04/16/91
  3. Examination09/17/91
  4. Allowance08/23/94
  5. Grant04/25/95
  6. Expired12/29/09

The letters patent expired on 12/29/2009: 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: 12/29/2009. We update with every new RPI gazette, published weekly.

Applicants and inventors

Applicants

Alfa-Laval Separation AB

SE

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Inventors

G. R. (pessoa física)

SE

Technical data

IPC Classification

Priority claims

SE

8801649-8 · 05/02/1988

Prosecution history

Publications in the Brazilian Industrial Property Gazette (RPI).

Carta-patente expirada

#21.1

Patente extinta em 16/03/2004

12/29/2009

RPI 2034

Concessão da patente

#16.1

04/25/1995

RPI 1273

Notificação para pagamento de retribuição

#13.1

12/20/1994

RPI 1255

Deferimento

#9.1

08/23/1994

RPI 1238

Exigência - art. 36 da LPI

#6.1

11/30/1993

RPI 1200

Solicitação de exame técnico

#4.1

09/17/1991

RPI 1085

Notificação de entrada na fase nacional - PCT

#1.3

04/16/1991

RPI 1063

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