Official data from INPI

BLOQUEADOR DE CHAMADAS RECEBIDAS POR DISCAGEM DIRETA À COBRAR.

ArquivadaInvention Patent

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Application data

Number

PI8104891

Type

Invention Patent

Filing

07/20/1981

Publication

03/08/1983

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Progress at the INPI

Filing07/20/81
Publication03/08/83
Abandoned
Allowance
Grant
In force

The application was abandoned: examination was not requested within the 36 months following the 07/20/1981 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: 06/04/1985. We update with every new RPI gazette, published weekly.

Applicants and inventors

Applicants

W. M. (pessoa física)

Inventors

M. [. (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

06/04/1985

RPI 763

Publicação do pedido de patente

#3.1

03/08/1983

RPI 646

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