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Official data from INPI

FONTE ELÉTRICA POR CONVERSÀO MECÂNICA

IndeferidaInvention Patent

Application data

Number

PI8405374

Type

Invention Patent

Filing

10/23/1984

Publication

05/27/1986

Progress at the INPI

Under appeal
  1. Filing10/23/84
  2. Publication05/27/86
  3. Examination10/07/86
  4. Refused10/24/89
  5. Grant
  6. In force

The application was refused by the INPI on 10/24/1989. The invention was never patented.

Talk to a specialist

Latest action published by the INPI: 10/24/1989. We update with every new RPI gazette, published weekly.

Applicants and inventors

Applicants

Companhia de Saneamento de Minas Gerais - Copasa

MG, BR

See this company's full portfolio

Inventors

N. R. (pessoa física)

BR

Technical data

IPC Classification

Prosecution history

Publications in the Brazilian Industrial Property Gazette (RPI).

Indeferimento

#9.2

10/24/1989

RPI 992

Solicitação de exame técnico

#4.1

10/07/1986

RPI 833

Publicação do pedido de patente

#3.1

05/27/1986

RPI 814

Pedido de patente depositado

#2.1

01/08/1985

RPI 742

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