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Official data from INPI

EXPOSITOR.

ConcedidaUtility Model

Application data

Number

MU6300495

Type

Utility Model

Filing

04/26/1983

Publication

11/27/1984

Progress at the INPI

  1. Filing04/26/83
  2. Publication11/27/84
  3. Examination02/26/85
  4. Allowance02/12/86
  5. Grant11/25/86
  6. 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: 11/25/1986. We update with every new RPI gazette, published weekly.

Applicants and inventors

Applicants

Produtos Elétricos Corona Ltda.

SP, BR

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Inventors

T. H. (pessoa física)

Technical data

IPC Classification

Prosecution history

Publications in the Brazilian Industrial Property Gazette (RPI).

Concessão da patente

#16.1

11/25/1986

RPI 840

Notificação para pagamento de retribuição

#13.1

06/24/1986

RPI 818

Deferimento

#9.1

02/12/1986

RPI 799

Exigência - art. 36 da LPI

#6.1

08/20/1985

RPI 774

Solicitação de exame técnico

#4.1

02/26/1985

RPI 749

Publicação do pedido de patente

#3.1

11/27/1984

RPI 736

Pedido de patente depositado

#2.1

06/14/1983

RPI 660

Carta-patente expirada

#21.1

12/07/1993

RPI 1201

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