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Official data from INPI

DISPOSITIVO PARA CONDICIONAMENTO E HOMOGENEIZAÇÃO DE MASSAS VISCOSAS

Arquivada/ExtintaInvention PatentPCT · SE1988000549

Application data

Number

PI8807757

Type

Invention Patent

Filing

10/20/1988

Publication

08/07/1990

PCT

SE1988000549

Progress at the INPI

  1. Filing10/20/88
  2. Publication08/07/90
  3. Examination02/26/91
  4. Allowance02/14/95
  5. Grant08/29/95
  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: 09/02/2008. We update with every new RPI gazette, published weekly.

Applicants and inventors

Applicants

L. T. (pessoa física)

SE

Inventors

L. T. (pessoa física)

SE

Technical data

IPC Classification

Priority claims

SE

8704073-9 · 10/20/1987

Prosecution history

Publications in the Brazilian Industrial Property Gazette (RPI).

Carta-patente expirada

#21.1

Patente extinta em 20/10/2003

09/02/2008

RPI 1965

Concessão da patente

#16.1

08/29/1995

RPI 1291

Deferimento

#9.1

02/14/1995

RPI 1263

Solicitação de exame técnico

#4.1

02/26/1991

RPI 1056

Notificação de entrada na fase nacional - PCT

#1.3

08/07/1990

RPI 1027

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