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Official data from INPI

CIRCUITO ELETRONICO DE VARIACAO DE TENSAO

IndeferidaInvention Patent

Application data

Number

PI8101079

Type

Invention Patent

Filing

02/23/1981

Publication

10/19/1982

Progress at the INPI

Under appeal
  1. Filing02/23/81
  2. Publication10/19/82
  3. Examination02/16/83
  4. Refused06/25/85
  5. Grant
  6. In force

The application was refused by the INPI on 06/25/1985. The invention was never patented.

Talk to a specialist

Latest action published by the INPI: 06/25/1985. We update with every new RPI gazette, published weekly.

Applicants and inventors

Applicants

PEXTRON IND ELETRONICA LTD [BR]

Inventors

G. P. (pessoa física)

Technical data

IPC Classification

Prosecution history

Publications in the Brazilian Industrial Property Gazette (RPI).

Indeferimento

#9.2

06/25/1985

RPI 766

Republicação - classificação IPC

#15.11

12/18/1984

RPI 739

Conhecimento de parecer técnico

#7.1

10/16/1984

RPI 730

Pedido de certificado de adição de invenção

#5.1

07/19/1983

RPI 665

Solicitação de exame técnico

#4.1

02/16/1983

RPI 643

Publicação do pedido de patente

#3.1

10/19/1982

RPI 626

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