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Official data from INPI

CAIXA DE ALTO-FALANTES

Em AnáliseInvention Patent
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Application data

Number

PI8402612

Type

Invention Patent

Filing

05/31/1983

Publication

04/30/1985
View on INPI

Progress at the INPI

  1. Filing05/31/83
  2. Publication
  3. Examination
  4. Allowance
  5. Grant
  6. In force

The application was filed at the INPI on 05/31/1983. It awaits formal examination and publication in the RPI gazette.

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Latest action published by the INPI: 03/29/1988. We update with every new RPI gazette, published weekly.

Applicants and inventors

Applicants

BOSCHEINEN RAINER [DE]

Inventors

B. [. (pessoa física)

Technical data

IPC Classification

H04R 1/02

Prosecution history

Publications in the Brazilian Industrial Property Gazette (RPI).

Pedido de certificado de adição de invenção

#5.1

03/29/1988

RPI 910

Solicitação de exame técnico

#4.1

11/24/1987

RPI 892

Retificação

#15.6

09/15/1987

RPI 882

Retificação

#15.3

07/21/1987

RPI 874

Publicação do pedido de patente

#3.1

04/30/1985

RPI 758

Pedido de patente depositado

#2.1

08/07/1984

RPI 720

Retificação

#15.3

09/04/1990

RPI 1031

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