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Official data from INPI

DISPOSITIVO PARA MISTURAR MATÉRIA PARTICULADA E LÍQUIDOS

Arquivada/ExtintaInvention Patent

Application data

Number

PI9005956

Type

Invention Patent

Filing

11/20/1990

Publication

09/24/1991

Progress at the INPI

  1. Filing11/20/90
  2. Publication09/24/91
  3. Examination09/21/93
  4. Allowance06/16/98
  5. Grant12/29/98
  6. Expired05/21/13

The letters patent expired on 05/21/2013: 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: 05/21/2013. We update with every new RPI gazette, published weekly.

Applicants and inventors

Applicants

Efisol S.A.

FR

Inventors

C. M. (pessoa física)

FR

D. G. (pessoa física)

FR

R. B. (pessoa física)

FR

Technical data

IPC Classification

Priority claims

FR

89 15 170 · 11/20/1989

Prosecution history

Publications in the Brazilian Industrial Property Gazette (RPI).

Carta-patente expirada

#21.1

Patente extinta em 20/11/2010

05/21/2013

RPI 2211

Concessão da patente

#16.1

12/29/1998

RPI 1460

Deferimento

#9.1

06/16/1998

RPI 1434

Exigência - art. 36 da LPI

#6.1

08/26/1997

RPI 1395

15.17

05/17/1994

RPI 1224

15.5

03/22/1994

RPI 1216

Solicitação de exame técnico

#4.1

09/21/1993

RPI 1190

Publicação do pedido de patente

#3.1

09/24/1991

RPI 1086

Pedido de patente depositado

#2.1

05/07/1991

RPI 1066

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