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Official data from INPI

INSTRUMENTO DE CORTE DE OXI-ACETILENO

ConcedidaUtility Model

Application data

Number

MU6501194

Type

Utility Model

Filing

08/21/1985

Publication

01/14/1986

Progress at the INPI

  1. Filing08/21/85
  2. Publication01/14/86
  3. Examination03/04/86
  4. Allowance01/24/89
  5. Grant08/29/89
  6. Expired09/12/95

The letters patent expired on 09/12/1995: 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

Omefil Oficina Mecânica e Fundição Itajai Ltda.

PR, BR

Inventors

A. M. (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

Deferimento

#9.1

01/24/1989

RPI 953

Solicitação de exame técnico

#4.1

03/04/1986

RPI 802

Publicação antecipada

#3.2

01/14/1986

RPI 795

Pedido de patente depositado

#2.1

11/05/1985

RPI 785

Carta-patente expirada

#21.1

09/12/1995

RPI 1293

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