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Official data from INPI

SEPARADOR PARA SEPARAR DOIS LÍQUIDOS MISTURADOS COM PESO ESPECÍFICO DIFERENTE

PublicadaInvention Patent
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Application data

Number

PI8700265

Type

Invention Patent

Filing

01/15/1987

Publication

12/08/1987
View on INPI

Progress at the INPI

  1. Filing01/15/87
  2. Publication12/08/87
  3. Examination08/28/90
  4. Allowance01/24/95
  5. Grant10/31/95
  6. Expired07/29/08

The letters patent expired on 07/29/2008: the term of protection has ended. The technology is in the public domain and may be freely used in Brazil.

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Latest action published by the INPI: 12/08/1987. We update with every new RPI gazette, published weekly.

Applicants and inventors

Applicants

J. K. (pessoa física)

NO

Inventors

J. K. (pessoa física)

NO

Technical data

IPC Classification

B04B 1/08

Priority claims

NO

860.122 · 01/15/1986

Prosecution history

Publications in the Brazilian Industrial Property Gazette (RPI).

Publicação do pedido de patente

#3.1

12/08/1987

RPI 894

Pedido de patente depositado

#2.1

05/26/1987

RPI 866

Carta-patente expirada

#21.1

Patente extinta em 15/01/2002

07/29/2008

RPI 1960

Concessão da patente

#16.1

10/31/1995

RPI 1300

Notificação para pagamento de retribuição

#13.1

06/20/1995

RPI 1281

Deferimento

#9.1

01/24/1995

RPI 1260

Exigência - art. 36 da LPI

#6.1

08/16/1994

RPI 1237

Exigência - art. 36 da LPI

#6.1

09/21/1993

RPI 1190

Solicitação de exame técnico

#4.1

08/28/1990

RPI 1030

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