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Official data from INPI

DISPOSITIVO PARA DESCARREGAMENTO E TRANSPORTE DE CILINDROS DE OXIGÊNIO E ACETILENO

ConcedidaUtility Model

Application data

Number

MU6601365

Type

Utility Model

Filing

08/11/1986

Publication

04/12/1988

Progress at the INPI

  1. Filing08/11/86
  2. Publication04/12/88
  3. Examination08/23/88
  4. Allowance05/02/89
  5. Grant11/28/89
  6. Terminated11/14/95

The patent was granted on 11/28/1989 and later terminated for failure to pay the annuities. The technology is in the public domain in Brazil.

Talk to a specialist

Latest action published by the INPI: 11/28/1989. We update with every new RPI gazette, published weekly.

Applicants and inventors

Applicants

Usinas Siderúrgicas de Minas Gerais - USIMINAS (Grupo Siderbrás)

MG, BR

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Inventors

A. B. (pessoa física)

BR

J. D. (pessoa física)

BR

Technical data

IPC Classification

Prosecution history

Publications in the Brazilian Industrial Property Gazette (RPI).

Concessão da patente

#16.1

11/28/1989

RPI 997

Notificação para pagamento de retribuição

#13.1

09/05/1989

RPI 985

Deferimento

#9.1

05/02/1989

RPI 967

Solicitação de exame técnico

#4.1

08/23/1988

RPI 931

Publicação do pedido de patente

#3.1

04/12/1988

RPI 912

Pedido de patente depositado

#2.1

04/22/1987

RPI 861

Anuidade - prazo legal encerrado

#18.2

11/14/1995

RPI 1302

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