Official data from INPI

APARELHO PARA USO EM UM LAÇO DE COMUNICAÇÃO LIGANDO UM TELEFONE DE UM ASSINANTE A UMA ESTAÇÃO TELEFÔNICA CENTRAL

ArquivadaInvention PatentPCT · US1989003336

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Application data

Number

PI8907053

Type

Invention Patent

Filing

08/01/1989

Publication

01/02/1991

PCT

US1989003336

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Progress at the INPI

Filing08/01/89
Publication01/02/91
Abandoned
Allowance
Grant
In force

The application was abandoned: examination was not requested within the 36 months following the 08/01/1989 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: 02/24/1993. We update with every new RPI gazette, published weekly.

Applicants and inventors

Applicants

T. C. (pessoa física)

Inventors

J. S. (pessoa física)

Technical data

IPC Classification

H04M 1/78

Priority claims

231,494 · 08/12/1988

Prosecution history

Publications in the Brazilian Industrial Property Gazette (RPI).

Arquivamento - Art. 33 da LPI

#11.1

02/24/1993

RPI 1160

Notificação de entrada na fase nacional - PCT

#1.3

01/02/1991

RPI 1048

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