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Official data from INPI

PROCESSO E EQUIPAMENTO PARA LIMPAR POR DENTRO UM ROTOR CENTRÍFUGO

Arquivada/ExtintaInvention PatentPCT · SE1988000532

Application data

Number

PI8807746

Type

Invention Patent

Filing

10/13/1988

Publication

08/07/1990

PCT

SE1988000532

Progress at the INPI

  1. Filing10/13/88
  2. Publication08/07/90
  3. Examination02/26/91
  4. Allowance12/01/92
  5. Grant06/29/93
  6. Expired09/02/08

The letters patent expired on 09/02/2008: 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: 09/02/2008. We update with every new RPI gazette, published weekly.

Applicants and inventors

Applicants

Alfa-Laval Marine & Power Engineering AB

SE

Inventors

F. A. (pessoa física)

SE

Technical data

IPC Classification

Priority claims

SE

8704025-9 · 10/15/1987

Prosecution history

Publications in the Brazilian Industrial Property Gazette (RPI).

Carta-patente expirada

#21.1

Patente extinta em 13/10/2003

09/02/2008

RPI 1965

Concessão da patente

#16.1

06/29/1993

RPI 1178

Notificação para pagamento de retribuição

#13.1

04/20/1993

RPI 1168

Deferimento

#9.1

12/01/1992

RPI 1148

Exigência - art. 36 da LPI

#6.1

03/24/1992

RPI 1112

Solicitação de exame técnico

#4.1

02/26/1991

RPI 1056

Notificação de entrada na fase nacional - PCT

#1.3

08/07/1990

RPI 1027

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