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Official data from INPI

Válvula mecânica para partida a frio.

IndeferidaInvention Patent

Application data

Number

PI8108005

Type

Invention Patent

Filing

12/09/1981

Publication

09/13/1983

Progress at the INPI

Under appeal
  1. Filing12/09/81
  2. Publication09/13/83
  3. Examination01/22/85
  4. Refused09/24/85
  5. Grant
  6. In force

The application was refused by the INPI on 09/24/1985. The invention was never patented.

Talk to a specialist

Latest action published by the INPI: 09/24/1985. We update with every new RPI gazette, published weekly.

Applicants and inventors

Applicants

Changer - Tecnologia e Patentes Ltda.

RS, BR

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Inventors

C. M. (pessoa física)

Technical data

IPC Classification

Prosecution history

Publications in the Brazilian Industrial Property Gazette (RPI).

Indeferimento

#9.2

09/24/1985

RPI 779

Solicitação de exame técnico

#4.1

01/22/1985

RPI 744

Publicação do pedido de patente

#3.1

09/13/1983

RPI 673

Pedido de patente depositado

#2.1

02/02/1982

RPI 589

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