Official data from INPI

CODIFICADOR, DESCODIFICADOR E CODIFICADOR/DESCODIFICADOR DE TRANSFORMADA DE RETARDO DE TEMPO BAIXO PARA ÁUDIO DE ALTA QUALIDADE

ArquivadaInvention PatentPCT · US1990000507

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Application data

Number

PI9007062

Type

Invention Patent

Filing

01/29/1990

Publication

10/08/1991

PCT

US1990000507

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Progress at the INPI

Filing01/29/90
Publication10/08/91
Abandoned
Allowance
Grant
In force

The application was abandoned: examination was not requested within the 36 months following the 01/29/1990 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: 06/28/1994. We update with every new RPI gazette, published weekly.

Applicants and inventors

Applicants

D. C. (pessoa física)

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Inventors

L. F. (pessoa física)

M. D. (pessoa física)

Technical data

IPC Classification

H04B 1/66

Priority claims

303.714 · 01/27/1989

439.868 · 11/20/1989

458.894 · 11/29/1989

Prosecution history

Publications in the Brazilian Industrial Property Gazette (RPI).

Arquivamento - Art. 33 da LPI

#11.1

06/28/1994

RPI 1230

Retificação da notificação da fase nacional - PCT

#1.3.1

02/25/1992

RPI 1108

Notificação de entrada na fase nacional - PCT

#1.3

10/08/1991

RPI 1088

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