Official data from INPI

BLOQUEADOR DE CHAMADAS INTERURBANAS

ArquivadaInvention Patent

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Application data

Number

PI8203438

Type

Invention Patent

Filing

06/04/1982

Publication

01/10/1984

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Progress at the INPI

Filing06/04/82
Publication01/10/84
Abandoned
Allowance
Grant
In force

The application was abandoned: examination was not requested within the 36 months following the 06/04/1982 filing, the deadline set by art. 33 of the Brazilian IP Act. The technology is in the public domain in Brazil.

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Latest action published by the INPI: 04/22/1986. We update with every new RPI gazette, published weekly.

Applicants and inventors

Applicants

Telerede Telecomunicações Indústria e Comércio Ltda.

SP, BR

Inventors

R. F. (pessoa física)

Technical data

IPC Classification

H04M 1/66

Prosecution history

Publications in the Brazilian Industrial Property Gazette (RPI).

Arquivamento - Art. 33 da LPI

#11.1

04/22/1986

RPI 809

Publicação do pedido de patente

#3.1

01/10/1984

RPI 690

Pedido de patente depositado

#2.1

08/03/1982

RPI 615

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ELIMINADOR DE PILHAS

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