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

SEPARADOR DE LÍQUIDOS E PROCESSO DE SEPARAR COMPONENTES LÍQUIDOS

Arquivada/ExtintaInvention PatentPCT · AU1988000185

Application data

Number

PI8807543

Type

Invention Patent

Filing

06/10/1988

Publication

04/10/1990

PCT

AU1988000185

Progress at the INPI

  1. Filing06/10/88
  2. Publication04/10/90
  3. Examination12/04/90
  4. Allowance10/13/93
  5. Grant05/31/94
  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

Conoco Specialty Products Inc.

US

See this company's full portfolio

Inventors

C. K. (pessoa física)

AU

Technical data

Priority claims

AU

PI 2389/87 · 06/10/1987

AU

PI 6103/87 · 12/24/1987

Prosecution history

Publications in the Brazilian Industrial Property Gazette (RPI).

Carta-patente expirada

#21.1

Patente extinta em 10/06/2003

09/02/2008

RPI 1965

Concessão da patente

#16.1

05/31/1994

RPI 1226

Deferimento

#9.1

10/13/1993

RPI 1193

Solicitação de exame técnico

#4.1

12/04/1990

RPI 1044

Notificação de entrada na fase nacional - PCT

#1.3

04/10/1990

RPI 1013

Patent monitoring

Track this patent in real time.

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