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Official data from INPI

TIJOLO DE ENCAIXAR

Arquivada/ExtintaInvention Patent

Application data

Number

PI9004011

Type

Invention Patent

Filing

08/14/1990

Publication

02/25/1992

Progress at the INPI

  1. Filing08/14/90
  2. Publication02/25/92
  3. Examination07/27/93
  4. Allowance05/03/94
  5. Grant08/30/94
  6. Expired05/25/10

The letters patent expired on 05/25/2010: 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: 05/25/2010. We update with every new RPI gazette, published weekly.

Applicants and inventors

Applicants

A. S. (pessoa física)

RJ, BR

Inventors

A. S. (pessoa física)

BR

Technical data

IPC Classification

Prosecution history

Publications in the Brazilian Industrial Property Gazette (RPI).

Carta-patente expirada

#21.1

Patente extinta em 14/08/2005

05/25/2010

RPI 2055

Concessão da patente

#16.1

08/30/1994

RPI 1239

Deferimento

#9.1

05/03/1994

RPI 1222

Solicitação de exame técnico

#4.1

07/27/1993

RPI 1182

Publicação do pedido de patente

#3.1

02/25/1992

RPI 1108

Pedido de patente depositado

#2.1

02/19/1991

RPI 1055

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