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Official data from INPI

DISPOSITIVO PARA A EXTRUSÃO DE MASSAS PLÁSTICAS

Prazo de SigiloInvention Patent

Application data

Number

PI8903943

Type

Invention Patent

Filing

08/04/1989

Publication

03/20/1990

Progress at the INPI

  1. Filing08/04/89
  2. Publication03/20/90
  3. Examination10/16/90
  4. Allowance04/07/98
  5. Grant11/24/98
  6. Expired12/26/12

The letters patent expired on 12/26/2012: 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: 11/28/1989. We update with every new RPI gazette, published weekly.

Applicants and inventors

Applicants

Fraunhofer Gesellschaft Zur Foerderung Der Angewandten Forschung E.V

DE

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Inventors

D. M. (pessoa física)

DE

H. F. (pessoa física)

DE

H. S. (pessoa física)

DE

H. B. (pessoa física)

DE

Technical data

IPC Classification

Priority claims

DE

P3826641.5 · 08/05/1988

Prosecution history

Publications in the Brazilian Industrial Property Gazette (RPI).

Pedido de patente depositado

#2.1

11/28/1989

RPI 997

Carta-patente expirada

#21.1

Patente extinta em 04/08/2009

12/26/2012

RPI 2190

Concessão da patente

#16.1

11/24/1998

RPI 1455

Deferimento

#9.1

04/07/1998

RPI 1424

Exigência - art. 36 da LPI

#6.1

01/28/1997

RPI 1365

Exigência - art. 36 da LPI

#6.1

03/19/1996

RPI 1320

Solicitação de exame técnico

#4.1

10/16/1990

RPI 1037

Publicação do pedido de patente

#3.1

03/20/1990

RPI 1010

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