Official data from INPI

SISTEMA DE CONTROLE DE POTÊNCIA, APARELHO, PROCESSO E SISTEMA PARA CONTROLAR A POTÊNCIA DE SINAIS DE TRANSMISSÃO E TRANSRECEPTOR

Arquivada/ExtintaInvention PatentPCT · US1990006418

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Application data

Number

PI9007826

Type

Invention Patent

Filing

11/05/1990

Publication

08/25/1992

PCT

US1990006418

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Progress at the INPI

Filing11/05/90
Publication08/25/92
Examination06/08/93
Allowance02/27/96
Grant10/29/96
Expired06/15/10

The letters patent expired on 06/15/2010: 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: 06/15/2010. We update with every new RPI gazette, published weekly.

Applicants and inventors

Applicants

Q. I. (pessoa física)

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Inventors

C. I. (pessoa física)

K. G. (pessoa física)

R. P. (pessoa física)

Technical data

IPC Classification

H04L 27/30

Priority claims

433.031 · 11/07/1989

Prosecution history

Publications in the Brazilian Industrial Property Gazette (RPI).

Carta-patente expirada

#21.1

Patente extinta em 05/11/2005

06/15/2010

RPI 2058

Concessão da patente

#16.1

10/29/1996

RPI 1352

Deferimento

#9.1

02/27/1996

RPI 1317

14.7

04/26/1994

RPI 1221

Solicitação de exame técnico

#4.1

06/08/1993

RPI 1175

Notificação de entrada na fase nacional - PCT

#1.3

08/25/1992

RPI 1134

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