Official data from INPI

RESISTENCIA PARA AQUECEDOR

ConcedidaUtility Model

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Application data

Number

MU6100852

Type

Utility Model

Filing

06/29/1981

Publication

02/01/1983

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Progress at the INPI

Filing06/29/81
Publication02/01/83
Examination05/31/83
Allowance04/09/85
Grant10/29/85
Expired12/07/93

The letters patent expired on 12/07/1993: 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: 10/29/1985. We update with every new RPI gazette, published weekly.

Applicants and inventors

Applicants

BASSETTO MARIO FERRANTE [BR]

Inventors

B. [. (pessoa física)

Technical data

IPC Classification

H05B 3/16

Prosecution history

Publications in the Brazilian Industrial Property Gazette (RPI).

Concessão da patente

#16.1

10/29/1985

RPI 784

Notificação para pagamento de retribuição

#13.1

07/30/1985

RPI 771

Deferimento

#9.1

04/09/1985

RPI 755

Exigência - art. 36 da LPI

#6.1

10/30/1984

RPI 732

Solicitação de exame técnico

#4.1

05/31/1983

RPI 658

Publicação do pedido de patente

#3.1

02/01/1983

RPI 641

Carta-patente expirada

#21.1

12/07/1993

RPI 1201

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