(11) 98705-3426
TrademarkIQ iconTrademarkIQ
Back to search
Official data from INPI

SEPARADORA CENTRÍFUGA

PublicadaInvention Patent

Application data

Number

PI8805243

Type

Invention Patent

Filing

10/12/1988

Publication

05/30/1989

Progress at the INPI

  1. Filing10/12/88
  2. Publication05/30/89
  3. Examination07/09/91
  4. Allowance07/19/94
  5. Grant01/31/95
  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: 05/30/1989. 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

87039657 · 10/13/1987

Prosecution history

Publications in the Brazilian Industrial Property Gazette (RPI).

Publicação do pedido de patente

#3.1

05/30/1989

RPI 971

Pedido de patente depositado

#2.1

02/08/1989

RPI 955

Carta-patente expirada

#21.1

Patente extinta em 12/10/2003

09/02/2008

RPI 1965

Concessão da patente

#16.1

01/31/1995

RPI 1261

Notificação para pagamento de retribuição

#13.1

11/15/1994

RPI 1250

Deferimento

#9.1

07/19/1994

RPI 1233

Exigência - art. 36 da LPI

#6.1

10/13/1993

RPI 1193

Solicitação de exame técnico

#4.1

07/09/1991

RPI 1075

Patent monitoring

Track this patent in real time.

Receive alerts on INPI events, decisions, and expiry dates for your portfolio.