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Official data from INPI

DISPOSITIVO PARA A EXTRUSÃO DE POLÍMEROS TERMOPLÁSTICOS

Arquivada/ExtintaInvention Patent

Application data

Number

PI9104041

Type

Invention Patent

Filing

09/20/1991

Publication

06/02/1992

Progress at the INPI

  1. Filing09/20/91
  2. Publication06/02/92
  3. Examination07/05/94
  4. Allowance05/04/99
  5. Grant09/08/99
  6. Expired06/11/13

The letters patent expired on 06/11/2013: 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: 06/11/2013. We update with every new RPI gazette, published weekly.

Applicants and inventors

Applicants

S.T.Soffiaggio Tecnica S.R.L.

IT

Inventors

M. T. (pessoa física)

IT

Technical data

IPC Classification

Priority claims

IT

21568 A/90 · 09/25/1990

Prosecution history

Publications in the Brazilian Industrial Property Gazette (RPI).

Carta-patente expirada

#21.1

Patente extinta em 20/09/2011

06/11/2013

RPI 2214

Concessão da patente

#16.1

09/08/1999

RPI 1496

Deferimento

#9.1

05/04/1999

RPI 1478

Exigência - art. 36 da LPI

#6.1

10/27/1998

RPI 1451

Solicitação de exame técnico

#4.1

07/05/1994

RPI 1231

Publicação do pedido de patente

#3.1

06/02/1992

RPI 1122

Pedido de patente depositado

#2.1

10/29/1991

RPI 1091

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