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Official data from INPI

PROCESSO PARA A OPERAÇÃO DE UM LAMINADOR PARA LAMINAÇÃO A QUENTE E A FRIO DE PRODUTOS PLANOS

Arquivada/ExtintaInvention Patent

Application data

Number

PI9801537

Type

Invention Patent

Filing

04/30/1998

Publication

03/09/1999

Progress at the INPI

  1. Filing04/30/98
  2. Publication03/09/99
  3. Examination
  4. Allowance04/15/03
  5. Grant08/05/03
  6. Expired08/28/18

The letters patent expired on 08/28/2018: 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: 08/28/2018. We update with every new RPI gazette, published weekly.

Applicants and inventors

Applicants

S. A. (pessoa física)

DE

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Inventors

W. R. (pessoa física)

DE

Technical data

IPC Classification

Priority claims

DE

197 18 529.0-32 · 05/02/1997

Prosecution history

Publications in the Brazilian Industrial Property Gazette (RPI).

Carta-patente expirada

#21.1

PATENTE EXTINTA EM 30.04.2018

08/28/2018

RPI 2486

Concessão da patente

#16.1

08/05/2003

RPI 1700

Deferimento

#9.1

04/15/2003

RPI 1684

Conhecimento de parecer técnico

#7.1

09/24/2002

RPI 1655

Publicação do pedido de patente

#3.1

03/09/1999

RPI 1470

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