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Official data from INPI

DISPOSIÇÃO INTRODUZIDA EM FONE DE APARELHO TELEFÔNICO.

Em ExigênciaUtility Model

Application data

Number

MU6600915

Type

Utility Model

Filing

06/13/1986

Publication

02/09/1988

Progress at the INPI

  1. Filing06/13/86
  2. Publication02/09/88
  3. Examination10/25/88
  4. Allowance06/12/90
  5. Grant02/26/91
  6. Expired09/17/96

The letters patent expired on 09/17/1996: 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: 09/26/1989. We update with every new RPI gazette, published weekly.

Applicants and inventors

Applicants

K. K. (pessoa física)

KR

Inventors

K. K. (pessoa física)

KR

Technical data

IPC Classification

Prosecution history

Publications in the Brazilian Industrial Property Gazette (RPI).

Exigência - art. 36 da LPI

#6.1

09/26/1989

RPI 988

Solicitação de exame técnico

#4.1

10/25/1988

RPI 940

Publicação do pedido de patente

#3.1

02/09/1988

RPI 903

Pedido de patente depositado

#2.1

01/27/1987

RPI 849

Carta-patente expirada

#21.1

09/17/1996

RPI 1346

Concessão da patente

#16.1

02/26/1991

RPI 1056

Notificação para pagamento de retribuição

#13.1

09/25/1990

RPI 1034

Deferimento

#9.1

06/12/1990

RPI 1022

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