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Official data from INPI

APERFEIÇOAMENTOS EM PERFIS DE ACOPLAMENTO TANQUE-GABINETE PARA GELADEIRAS E SIMILARES

ConcedidaUtility Model
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Application data

Number

MU6301868

Type

Utility Model

Filing

11/18/1983

Publication

07/16/1985
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Progress at the INPI

  1. Filing11/18/83
  2. Publication07/16/85
  3. Examination11/12/85
  4. Allowance12/29/87
  5. Grant08/30/88
  6. Expired09/27/94

The letters patent expired on 09/27/1994: 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: 08/30/1988. We update with every new RPI gazette, published weekly.

Applicants and inventors

Applicants

Metalfrio S/A Indústria e Comércio de Refrigeração

SP, BR

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Inventors

M. A. (pessoa física)

Technical data

IPC Classification

F25D 15/00

Prosecution history

Publications in the Brazilian Industrial Property Gazette (RPI).

Concessão da patente

#16.1

08/30/1988

RPI 932

Notificação para pagamento de retribuição

#13.1

05/10/1988

RPI 916

Deferimento

#9.1

12/29/1987

RPI 897

Exigência - art. 36 da LPI

#6.1

04/14/1987

RPI 860

Exigência - art. 36 da LPI

#6.1

09/23/1986

RPI 831

Solicitação de exame técnico

#4.1

11/12/1985

RPI 786

Publicação do pedido de patente

#3.1

07/16/1985

RPI 769

Pedido de patente depositado

#2.1

02/21/1984

RPI 696

Carta-patente expirada

#21.1

09/27/1994

RPI 1243

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