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Official data from INPI

CONTROLADOR DE VASAO CONSTANTE PARA QUALQUER PRESSAO

Em AnáliseInvention Patent

Application data

Number

PI8505844

Type

Invention Patent

Filing

11/21/1985

Publication

06/09/1987

Progress at the INPI

  1. Filing11/21/85
  2. Publication06/09/87
  3. Examination08/25/87
  4. Refused10/17/89
  5. Grant
  6. In force

The application was refused on 10/17/1989 and the appeal did not change the decision. The invention was never patented and the technology is in the public domain in Brazil.

Talk to a specialist

Latest action published by the INPI: 10/17/1989. We update with every new RPI gazette, published weekly.

Applicants and inventors

Applicants

H. P. (pessoa física)

Inventors

P. [. (pessoa física)

Technical data

IPC Classification

Prosecution history

Publications in the Brazilian Industrial Property Gazette (RPI).

111

10/17/1989

RPI 991

Petição de recurso

#12.2

05/30/1989

RPI 971

Indeferimento

#9.2

02/28/1989

RPI 958

Solicitação de exame técnico

#4.1

08/25/1987

RPI 879

Publicação do pedido de patente

#3.1

06/09/1987

RPI 868

Pedido de patente depositado

#2.1

01/28/1986

RPI 797

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