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Official data from INPI

MAQUINA E PROCESSO PARA OBTENCAO DE LAMINADOS ASTALTICOS

ConcedidaInvention Patent

Application data

Number

PI7608341

Type

Invention Patent

Filing

12/13/1976

Publication

-

Progress at the INPI

  1. Filing12/13/76
  2. Publication
  3. Examination
  4. Allowance
  5. Grant06/29/82
  6. Expired07/27/93

The letters patent expired on 07/27/1993: 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: 06/29/1982. We update with every new RPI gazette, published weekly.

Applicants and inventors

Applicants

LANTIERI E

L. O. (pessoa física)

Inventors

L. E. (pessoa física)

L. O. (pessoa física)

Technical data

IPC Classification

Prosecution history

Publications in the Brazilian Industrial Property Gazette (RPI).

Concessão da patente

#16.1

06/29/1982

RPI 610

Carta-patente expirada

#21.1

07/27/1993

RPI 1182

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