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Official data from INPI

CIRCUITO DE DISPARO SIMPLIFICADOR PARA TIRISTOR.

IndeferidaInvention Patent
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Application data

Number

PI8305826

Type

Invention Patent

Filing

10/19/1983

Publication

02/20/1985
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Progress at the INPI

Under appeal
  1. Filing10/19/83
  2. Publication02/20/85
  3. Examination08/06/85
  4. Refused01/03/89
  5. Grant
  6. In force

The application was refused by the INPI on 01/03/1989. The invention was never patented.

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Latest action published by the INPI: 01/03/1989. We update with every new RPI gazette, published weekly.

Applicants and inventors

Applicants

Equipamentos NGK Rinnai Ltda

SP, BR

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Inventors

M. K. (pessoa física)

Technical data

IPC Classification

H02M 1/08

Prosecution history

Publications in the Brazilian Industrial Property Gazette (RPI).

Indeferimento

#9.2

01/03/1989

RPI 950

Conhecimento de parecer técnico

#7.1

05/17/1988

RPI 917

14.7

01/05/1988

RPI 898

Solicitação de exame técnico

#4.1

08/06/1985

RPI 772

Publicação antecipada

#3.2

02/20/1985

RPI 748

14.7

08/14/1984

RPI 721

14.4

08/07/1984

RPI 720

Pedido de patente depositado

#2.1

01/03/1984

RPI 689

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