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Official data from INPI

CONTATOS AUXILIARES.

Em AnáliseInvention Patent

Application data

Number

PI7904685

Type

Invention Patent

Filing

07/23/1979

Publication

-

Progress at the INPI

  1. Filing07/23/79
  2. Publication
  3. Examination
  4. Allowance08/17/82
  5. Grant
  6. Invalidated02/12/85

The patent was invalidated by the INPI in an administrative invalidity proceeding. Protection no longer exists.

Talk to a specialist

Latest action published by the INPI: 02/12/1985. We update with every new RPI gazette, published weekly.

Applicants and inventors

Applicants

Lorenzetti S/A Indústrias Brasileiras Eletrometalúrgicas

SP, BR

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Inventors

No inventors listed.

Technical data

IPC Classification

No IPC classification.

Prosecution history

Publications in the Brazilian Industrial Property Gazette (RPI).

200

02/12/1985

RPI 747

Pedido de licença voluntária

#17.1

08/21/1984

RPI 722

Deferimento

#9.1

08/17/1982

RPI 617

Exigência - art. 36 da LPI

#6.1

05/11/1982

RPI 603

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