Official data from INPI

TRANSDUTORES ELETROACÚSTICO E DO TIPO ELETRETO E PROCESSO DE FABRICAÇÃO DO PRIMEIRO.

ArquivadaInvention Patent

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Application data

Number

PI8307454

Type

Invention Patent

Filing

01/26/1983

Publication

07/17/1984

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Progress at the INPI

Filing01/26/83
Publication07/17/84
Abandoned03/25/86
Allowance
Grant
In force

The application was abandoned: the INPI technical office action was not answered in time (art. 36 of the Brazilian IP Act). The technology is in the public domain in Brazil.

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Latest action published by the INPI: 04/12/1988. We update with every new RPI gazette, published weekly.

Applicants and inventors

Applicants

Western Electric Company Incorporated

Inventors

A. B. (pessoa física)

H. H. (pessoa física)

S. W. (pessoa física)

Technical data

IPC Classification

H04R 17/00 H04R 19/00

Priority claims

402.613 · 07/28/1982

PCT/83/00119 · 01/26/1983

Prosecution history

Publications in the Brazilian Industrial Property Gazette (RPI).

Arquivamento - Art. 36 §1° da LPI

#11.2

04/12/1988

RPI 912

Exigência - art. 36 da LPI

#6.1

05/26/1987

RPI 866

Solicitação de exame técnico

#4.1

03/25/1986

RPI 805

Notificação de entrada na fase nacional - PCT

#1.3

07/17/1984

RPI 717

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CIRCUITO DE NÍVEL DE DECISÃO ADAPTÁVEL.SEM TITULO

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