Official data from INPI

DISPOSITIVO BLOQUEADOR PARA TELEFONES DE TECLAS.

ConcedidaUtility Model

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Application data

Number

MU6401887

Type

Utility Model

Filing

11/14/1984

Publication

06/17/1986

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Progress at the INPI

Filing11/14/84
Publication06/17/86
Examination05/26/87
Allowance10/04/88
Grant07/25/89
Expired01/31/95

The letters patent expired on 01/31/1995: 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: 07/25/1989. We update with every new RPI gazette, published weekly.

Applicants and inventors

Applicants

F. O. (pessoa física)

Inventors

F. O. (pessoa física)

Technical data

IPC Classification

H04M 1/66

Prosecution history

Publications in the Brazilian Industrial Property Gazette (RPI).

Concessão da patente

#16.1

07/25/1989

RPI 979

Notificação para pagamento de retribuição

#13.1

01/24/1989

RPI 953

Deferimento

#9.1

10/04/1988

RPI 937

Exigência - art. 36 da LPI

#6.1

05/17/1988

RPI 917

Solicitação de exame técnico

#4.1

05/26/1987

RPI 866

Publicação do pedido de patente

#3.1

06/17/1986

RPI 817

Pedido de patente depositado

#2.1

02/12/1985

RPI 747

Carta-patente expirada

#21.1

01/31/1995

RPI 1261

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