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Official data from INPI

DISPOSITIVO TRANSDUTOR DE RUÍDO GERADO DENTRO DE UM CORPO

PublicadaInvention Patent
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Application data

Number

PI8901314

Type

Invention Patent

Filing

03/21/1989

Publication

11/07/1989
View on INPI

Progress at the INPI

  1. Filing03/21/89
  2. Publication11/07/89
  3. Examination11/26/91
  4. Allowance
  5. Grant
  6. In force

Published on 11/07/1989, the application is awaiting technical examination at the INPI, which decides whether the invention meets the patentability requirements.

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Latest action published by the INPI: 11/07/1989. We update with every new RPI gazette, published weekly.

Applicants and inventors

Applicants

M-P & SD DI Parisi Eugenio Marketing-Promotion & Systems Development

IT

Inventors

E. P. (pessoa física)

IT

Technical data

IPC Classification

H04R 1/20

Priority claims

IT

19873 A/88 · 03/21/1988

Prosecution history

Publications in the Brazilian Industrial Property Gazette (RPI).

Publicação do pedido de patente

#3.1

11/07/1989

RPI 994

Pedido de patente depositado

#2.1

05/09/1989

RPI 968

Retificação

#15.3

07/05/1994

RPI 1231

Solicitação de exame técnico

#4.1

11/26/1991

RPI 1095

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