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Official data from INPI

PORTÃO REFRIGERADO A ÁGUA PARA CONVERTEDORES LD

Prazo de SigiloUtility Model

Application data

Number

MU6802835

Type

Utility Model

Filing

12/27/1988

Publication

08/14/1990

Progress at the INPI

  1. Filing12/27/88
  2. Publication08/14/90
  3. Examination07/16/91
  4. Allowance03/09/93
  5. Grant07/27/93
  6. Expired09/25/01

The letters patent expired on 09/25/2001: 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: 05/23/1989. We update with every new RPI gazette, published weekly.

Applicants and inventors

Applicants

Aço Minas Gerais S/A - Açominas

MG, BR

See this company's full portfolio

Inventors

A. B. (pessoa física)

BR

M. V. (pessoa física)

BR

Technical data

IPC Classification

Prosecution history

Publications in the Brazilian Industrial Property Gazette (RPI).

Pedido de patente depositado

#2.1

05/23/1989

RPI 970

Carta-patente expirada

#21.1

Patente extinta em 27/12/98 conforme disposto no artigo 24 da Lei 5772/71 (CPI).

09/25/2001

RPI 1603

Concessão da patente

#16.1

07/27/1993

RPI 1182

Deferimento

#9.1

03/09/1993

RPI 1162

Solicitação de exame técnico

#4.1

07/16/1991

RPI 1076

Publicação do pedido de patente

#3.1

08/14/1990

RPI 1028

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