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Official data from INPI

APARELHO SEPARADOR E COMPONENTES LÍQUIDOS DE UMA MISTURA FLUÍDA, E, PROCESSO PARA SEPARAR COMPONENTESLÍQUIDOS DE UMA MITURA FLUIDA.

Arquivada/ExtintaInvention PatentPCT · AU1988000184

Application data

Number

PI8807571

Type

Invention Patent

Filing

06/10/1988

Publication

04/10/1990

PCT

AU1988000184

Progress at the INPI

  1. Filing06/10/88
  2. Publication04/10/90
  3. Examination10/06/92
  4. Allowance05/31/94
  5. Grant11/29/94
  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 2388/87 · 06/10/1987

AU

PI 2389/87 · 06/10/1987

AU

PI 6104/87 · 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

11/29/1994

RPI 1252

Notificação para pagamento de retribuição

#13.1

10/04/1994

RPI 1244

Deferimento

#9.1

05/31/1994

RPI 1226

Exigência - art. 36 da LPI

#6.1

08/24/1993

RPI 1186

Solicitação de exame técnico

#4.1

10/06/1992

RPI 1140

4.2.1

10/06/1992

RPI 1140

Solicitação de exame não realizada

#4.2

04/02/1991

RPI 1061

Notificação de entrada na fase nacional - PCT

#1.3

04/10/1990

RPI 1013

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