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Official data from INPI

DISPOSIÇÃO INTRODUZIDA EM PLACAS DE AQUECIMENTO.

ConcedidaUtility Model

Application data

Number

MU6500957

Type

Utility Model

Filing

07/12/1985

Publication

10/08/1985

Progress at the INPI

  1. Filing07/12/85
  2. Publication10/08/85
  3. Examination01/21/86
  4. Allowance12/13/88
  5. Grant08/29/89
  6. Expired08/15/95

The letters patent expired on 08/15/1995: 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

D. B. (pessoa física)

SP, BR

Inventors

D. B. (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

Notificação para pagamento de retribuição

#13.1

04/25/1989

RPI 966

Deferimento

#9.1

12/13/1988

RPI 947

Exigência - art. 36 da LPI

#6.1

06/28/1988

RPI 923

Solicitação de exame técnico

#4.1

01/21/1986

RPI 796

Publicação antecipada

#3.2

10/08/1985

RPI 781

Pedido de patente depositado

#2.1

10/01/1985

RPI 780

Carta-patente expirada

#21.1

08/15/1995

RPI 1289

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