Official data from INPI

RECEPTOR ESTEREO DE AM CAPAZ RECEBER SINAIS REPRESENTATIVO DE PELO MENOS PRIMEIRO E SEGUNDO TIPOS DIFERENTES DE SISTEMAS ESTEREO DE AM

Em AnáliseInvention Patent

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Application data

Number

PI8604105

Type

Invention Patent

Filing

08/28/1985

Publication

04/22/1987

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Progress at the INPI

Filing08/28/85
Publication04/22/87
Abandoned05/09/89
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: 05/09/1989. We update with every new RPI gazette, published weekly.

Applicants and inventors

Applicants

KAHN LEONARD R [US]

Inventors

K. [. (pessoa física)

Technical data

IPC Classification

H04B 1/06

Prosecution history

Publications in the Brazilian Industrial Property Gazette (RPI).

Solicitação de exame técnico

#4.1

05/09/1989

RPI 968

Publicação do pedido de patente

#3.1

04/22/1987

RPI 861

Pedido de patente depositado

#2.1

03/17/1987

RPI 856

Arquivamento - Art. 36 §1° da LPI

#11.2

08/20/1991

RPI 1081

Republicação - classificação IPC

#15.11

07/23/1991

RPI 1077

Exigência - art. 36 da LPI

#6.1

03/05/1991

RPI 1057

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