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Official data from INPI

PROCESSO PARA FABRICAÇÃO DE BLOCOS DE CONCRETO E DISPOSITIVOS PARA REALIZAÇÃO DO PROCESSO

Prazo de SigiloInvention Patent

Application data

Number

PI8900453

Type

Invention Patent

Filing

01/30/1989

Publication

08/14/1990

Progress at the INPI

  1. Filing01/30/89
  2. Publication08/14/90
  3. Examination02/26/91
  4. Allowance02/16/94
  5. Grant10/25/94
  6. Expired12/15/09

The letters patent expired on 12/15/2009: 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: 03/28/1989. We update with every new RPI gazette, published weekly.

Applicants and inventors

Applicants

G. G. (pessoa física)

PR, BR

Inventors

G. G. (pessoa física)

BR

Technical data

IPC Classification

Prosecution history

Publications in the Brazilian Industrial Property Gazette (RPI).

Pedido de patente depositado

#2.1

03/28/1989

RPI 962

Carta-patente expirada

#21.1

Patente extinta em 30/01/2004

12/15/2009

RPI 2032

Concessão da patente

#16.1

10/25/1994

RPI 1247

Notificação para pagamento de retribuição

#13.1

05/31/1994

RPI 1226

Deferimento

#9.1

02/16/1994

RPI 1211

Solicitação de exame técnico

#4.1

02/26/1991

RPI 1056

Publicação do pedido de patente

#3.1

08/14/1990

RPI 1028

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