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Official data from INPI

PLUG DE CONEXÃO ELÉTRICA COM COMUTAÇÃO DE SISTEMA DE FONTE SONORA ESTEREOFÔNICA E/OU MONOFÔNICA.

ConcedidaUtility Model

Application data

Number

MU6201528

Type

Utility Model

Filing

10/27/1982

Publication

06/05/1984

Progress at the INPI

  1. Filing10/27/82
  2. Publication06/05/84
  3. Examination10/23/84
  4. Allowance12/17/85
  5. Grant08/26/86
  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.

Talk to a specialist

Latest action published by the INPI: 08/26/1986. We update with every new RPI gazette, published weekly.

Applicants and inventors

Applicants

Eletrônica Selenium Ltda

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Inventors

U. T. (pessoa física)

Technical data

IPC Classification

Prosecution history

Publications in the Brazilian Industrial Property Gazette (RPI).

Concessão da patente

#16.1

08/26/1986

RPI 827

Notificação para pagamento de retribuição

#13.1

04/22/1986

RPI 809

Deferimento

#9.1

12/17/1985

RPI 791

Republicação - classificação IPC

#15.11

07/02/1985

RPI 767

Exigência - art. 36 da LPI

#6.1

05/21/1985

RPI 761

Solicitação de exame técnico

#4.1

10/23/1984

RPI 731

Publicação do pedido de patente

#3.1

06/05/1984

RPI 711

Carta-patente expirada

#21.1

12/07/1993

RPI 1201

20.4

10/02/1990

RPI 1035

20.7

10/02/1990

RPI 1035

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