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Official data from INPI

BANCO PREMOLDADO DE CONCRETO ARMADO

ConcedidaUtility Model

Application data

Number

MU6400850

Type

Utility Model

Filing

05/24/1984

Publication

01/07/1986

Progress at the INPI

  1. Filing05/24/84
  2. Publication01/07/86
  3. Examination05/27/86
  4. Allowance09/27/88
  5. Grant08/29/89
  6. Expired10/04/94

The letters patent expired on 10/04/1994: 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: 08/29/1989. We update with every new RPI gazette, published weekly.

Applicants and inventors

Applicants

C. S. (pessoa física)

BA, BR

Inventors

A. S. (pessoa física)

BR

Technical data

IPC Classification

Prosecution history

Publications in the Brazilian Industrial Property Gazette (RPI).

Concessão da patente

#16.1

08/29/1989

RPI 984

Notificação para pagamento de retribuição

#13.1

01/10/1989

RPI 951

Deferimento

#9.1

09/27/1988

RPI 936

Exigência - art. 36 da LPI

#6.1

03/01/1988

RPI 906

Exigência - art. 36 da LPI

#6.1

07/21/1987

RPI 874

Solicitação de exame técnico

#4.1

05/27/1986

RPI 814

Publicação do pedido de patente

#3.1

01/07/1986

RPI 794

Pedido de patente depositado

#2.1

08/07/1984

RPI 720

Carta-patente expirada

#21.1

10/04/1994

RPI 1244

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