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Official data from INPI

QUEIMADOR A ÁLCOOL PARA FOGÕES DOMÉSTICOS

ConcedidaUtility Model

Application data

Number

MU6100067

Type

Utility Model

Filing

01/19/1981

Publication

-

Progress at the INPI

  1. Filing01/19/81
  2. Publication
  3. Examination02/16/82
  4. Allowance06/12/84
  5. Grant12/26/84
  6. Expired11/22/94

The letters patent expired on 11/22/1994: 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: 12/26/1984. We update with every new RPI gazette, published weekly.

Applicants and inventors

Applicants

Mangels Industrial S/A

SP, BR

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Inventors

S. U. (pessoa física)

Technical data

IPC Classification

Prosecution history

Publications in the Brazilian Industrial Property Gazette (RPI).

Concessão da patente

#16.1

12/26/1984

RPI 740

Notificação para pagamento de retribuição

#13.1

10/02/1984

RPI 728

Deferimento

#9.1

06/12/1984

RPI 712

Solicitação de exame técnico

#4.1

02/16/1982

RPI 591

Carta-patente expirada

#21.1

11/22/1994

RPI 1251

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