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Official data from INPI

DISPOSITIVO AUTOMATICO E SELETIVO PARA TRANSMISSAO SONORA DE INFORMACOES

IndeferidaInvention Patent

Application data

Number

PI8302770

Type

Invention Patent

Filing

05/26/1983

Publication

12/13/1983

Progress at the INPI

Under appeal
  1. Filing05/26/83
  2. Publication12/13/83
  3. Examination05/29/84
  4. Refused02/17/87
  5. Grant
  6. In force

The application was refused by the INPI on 02/17/1987. The invention was never patented.

Talk to a specialist

Latest action published by the INPI: 02/17/1987. We update with every new RPI gazette, published weekly.

Applicants and inventors

Applicants

R. O. (pessoa física)

Inventors

N. [. (pessoa física)

Technical data

IPC Classification

Prosecution history

Publications in the Brazilian Industrial Property Gazette (RPI).

Indeferimento

#9.2

02/17/1987

RPI 852

Conhecimento de parecer técnico

#7.1

05/14/1985

RPI 760

Solicitação de exame técnico

#4.1

05/29/1984

RPI 710

Publicação antecipada

#3.2

12/13/1983

RPI 686

Pedido de patente depositado

#2.1

07/12/1983

RPI 664

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