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Official data from INPI

APERFEIÇOAMENTO EM DISPOSITIVO DE ECONOMIA DE ENERGIA ELÉTRICA

Prazo de SigiloInvention Patent

Application data

Number

PI8902797

Type

Invention Patent

Filing

06/05/1989

Publication

12/26/1990

Progress at the INPI

Technical opinion to answer
  1. Filing06/05/89
  2. Publication12/26/90
  3. Examination02/25/92
  4. Allowance
  5. Grant
  6. In force

The INPI issued a technical opinion on patentability. The applicant must respond for examination to continue.

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Latest action published by the INPI: 07/25/1989. We update with every new RPI gazette, published weekly.

Applicants and inventors

Applicants

S. O. (pessoa física)

PR, BR

Inventors

S. O. (pessoa física)

BR

Technical data

IPC Classification

Prosecution history

Publications in the Brazilian Industrial Property Gazette (RPI).

Pedido de patente depositado

#2.1

07/25/1989

RPI 979

Retificação

#15.3

11/12/1996

RPI 1354

Republicação - classificação IPC

#15.11

06/18/1996

RPI 1333

Conhecimento de parecer técnico

#7.1

06/18/1996

RPI 1333

Retificação

#15.6

11/08/1994

RPI 1249

Retificação

#15.3

06/28/1994

RPI 1230

Solicitação de exame técnico

#4.1

02/25/1992

RPI 1108

Publicação do pedido de patente

#3.1

12/26/1990

RPI 1047

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