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Official data from INPI

SEPARADOR CENTRÍFUGO

Arquivada/ExtintaInvention PatentPCT · SE1989000541

Application data

Number

PI8907124

Type

Invention Patent

Filing

10/03/1989

Publication

02/05/1991

PCT

SE1989000541

Progress at the INPI

  1. Filing10/03/89
  2. Publication02/05/91
  3. Examination06/23/92
  4. Allowance03/29/94
  5. Grant11/29/94
  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

See this company's full portfolio

Inventors

C. L. (pessoa física)

SE

Technical data

IPC Classification

Priority claims

SE

8803687-6 · 10/17/1988

Prosecution history

Publications in the Brazilian Industrial Property Gazette (RPI).

Carta-patente expirada

#21.1

Patente extinta em 03/10/2004

12/29/2009

RPI 2034

Concessão da patente

#16.1

11/29/1994

RPI 1252

Notificação para pagamento de retribuição

#13.1

08/02/1994

RPI 1235

Deferimento

#9.1

03/29/1994

RPI 1217

Solicitação de exame técnico

#4.1

06/23/1992

RPI 1125

Notificação de entrada na fase nacional - PCT

#1.3

02/05/1991

RPI 1053

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