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Official data from INPI

APERFEIÇOAMENTO EM VÁLVULA PARA PIA.

IndeferidaInvention Patent

Application data

Number

PI8303359

Type

Invention Patent

Filing

06/21/1983

Publication

02/12/1985

Progress at the INPI

Under appeal
  1. Filing06/21/83
  2. Publication02/12/85
  3. Examination06/04/85
  4. Refused09/01/87
  5. Grant
  6. In force

The application was refused by the INPI on 09/01/1987. The invention was never patented.

Talk to a specialist

Latest action published by the INPI: 09/01/1987. We update with every new RPI gazette, published weekly.

Applicants and inventors

Applicants

Metalúrgica Norpi Ltda.

SP, BR

Inventors

C. R. (pessoa física)

Technical data

IPC Classification

Prosecution history

Publications in the Brazilian Industrial Property Gazette (RPI).

Indeferimento

#9.2

09/01/1987

RPI 880

Pedido de certificado de adição de invenção

#5.1

11/12/1985

RPI 786

Solicitação de exame técnico

#4.1

06/04/1985

RPI 763

Publicação do pedido de patente

#3.1

02/12/1985

RPI 747

Pedido de patente depositado

#2.1

08/02/1983

RPI 667

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