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Official data from INPI

CONJUNTO DE ACESSÓRIOS PARA EQUIPAMENTO DE PERFURAÇÃO.

Em AnáliseUtility Model

Application data

Number

MU6301169

Type

Utility Model

Filing

08/15/1983

Publication

03/19/1985

Progress at the INPI

  1. Filing08/15/83
  2. Publication03/19/85
  3. Examination06/02/87
  4. Allowance09/27/88
  5. Grant03/20/90
  6. Expired12/07/93

The letters patent expired on 12/07/1993: the term of protection has ended. The technology is in the public domain and may be freely used in Brazil.

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Latest action published by the INPI: 01/10/1989. We update with every new RPI gazette, published weekly.

Applicants and inventors

Applicants

CBV Indústria Mecânica S A

RJ, BR

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Inventors

J. S. (pessoa física)

BR

Technical data

IPC Classification

Prosecution history

Publications in the Brazilian Industrial Property Gazette (RPI).

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

Solicitação de exame técnico

#4.1

06/02/1987

RPI 867

Publicação do pedido de patente

#3.1

03/19/1985

RPI 752

Pedido de patente depositado

#2.1

10/18/1983

RPI 678

Carta-patente expirada

#21.1

12/07/1993

RPI 1201

Concessão da patente

#16.1

03/20/1990

RPI 1010

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