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Official data from INPI

Equipamento eletrônico para processamento de sinais.

IndeferidaInvention Patent

Application data

Number

PI8004055

Type

Invention Patent

Filing

06/27/1980

Publication

03/02/1982

Progress at the INPI

Under appeal
  1. Filing06/27/80
  2. Publication03/02/82
  3. Examination05/15/84
  4. Refused03/12/85
  5. Grant
  6. In force

The application was refused by the INPI on 03/12/1985. The invention was never patented.

Talk to a specialist

Latest action published by the INPI: 03/12/1985. We update with every new RPI gazette, published weekly.

Applicants and inventors

Applicants

Centro de Pesquisas de Energia Elétrica - CEPEL

RJ, BR

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Inventors

S. J. (pessoa física)

S. J. (pessoa física)

Technical data

IPC Classification

Prosecution history

Publications in the Brazilian Industrial Property Gazette (RPI).

Indeferimento

#9.2

03/12/1985

RPI 751

Solicitação de exame técnico

#4.1

05/15/1984

RPI 708

Publicação do pedido de patente

#3.1

03/02/1982

RPI 593

Republicação - classificação IPC

#15.11

As classificações anteriores eram: H04L 1/20, H04B 3/46

08/25/2015

RPI 2329

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