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Official data from INPI

PROCESSO PARA OBTENCAO DE RECIPIENTES AUTO-ESTRUTURAS

Em AnáliseInvention Patent

Application data

Number

PI7603294

Type

Invention Patent

Filing

05/25/1976

Publication

-

Progress at the INPI

  1. Filing05/25/76
  2. Publication
  3. Examination
  4. Allowance
  5. Grant06/29/82
  6. Expired08/03/93

The letters patent expired on 08/03/1993: 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: 09/30/1986. 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).

Cessão de direito de exploração

#22.1

09/30/1986

RPI 832

Concessão da patente

#16.1

06/29/1982

RPI 610

Carta-patente expirada

#21.1

08/03/1993

RPI 1183

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