Official data from INPI

FILTRO DE RECEPÇÃO PARA EQUIPAMENTOS FONOTELEGRÁFICO

ConcedidaUtility Model

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Application data

Number

MU6501410

Type

Utility Model

Filing

09/16/1985

Publication

04/22/1987

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Progress at the INPI

Filing09/16/85
Publication04/22/87
Examination08/04/87
Allowance01/24/89
Grant08/29/89
Terminated03/10/92

The patent was granted on 08/29/1989 and later terminated for failure to pay the annuities. The technology is in the public domain in Brazil.

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Latest action published by the INPI: 08/29/1989. We update with every new RPI gazette, published weekly.

Applicants and inventors

Applicants

Toyama Eletrônica Ltda

SP, BR

Inventors

M. T. (pessoa física)

Technical data

IPC Classification

H04J 1/08 H04M 11/00

Prosecution history

Publications in the Brazilian Industrial Property Gazette (RPI).

Concessão da patente

#16.1

08/29/1989

RPI 984

Notificação para pagamento de retribuição

#13.1

05/30/1989

RPI 971

Deferimento

#9.1

01/24/1989

RPI 953

Exigência - art. 36 da LPI

#6.1

05/17/1988

RPI 917

Solicitação de exame técnico

#4.1

08/04/1987

RPI 876

Publicação do pedido de patente

#3.1

04/22/1987

RPI 861

Pedido de patente depositado

#2.1

12/10/1985

RPI 790

Anuidade - prazo legal encerrado

#18.2

03/10/1992

RPI 1110

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SUB-BASTIDOR TERMINAL PARA EQUIPAMENTO FONOTELEGRÁFICO

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