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Official data from INPI

Válvula de segurança para alívio e escape de pressão para panela de pressão.

Em AnáliseUtility Model

Application data

Number

MU6500249

Type

Utility Model

Filing

03/01/1985

Publication

10/07/1986

Progress at the INPI

  1. Filing03/01/85
  2. Publication10/07/86
  3. Examination03/04/87
  4. Refused04/18/89
  5. Grant
  6. In force

The application was refused on 04/18/1989 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: 04/18/1989. We update with every new RPI gazette, published weekly.

Applicants and inventors

Applicants

Arcangelo Nigro & Filhos Ltda.

Inventors

P. N. (pessoa física)

BR

Technical data

IPC Classification

Prosecution history

Publications in the Brazilian Industrial Property Gazette (RPI).

111

04/18/1989

RPI 965

120

10/25/1988

RPI 940

Petição de recurso

#12.2

05/17/1988

RPI 917

Indeferimento

#9.2

01/19/1988

RPI 900

Solicitação de exame técnico

#4.1

03/04/1987

RPI 854

Publicação do pedido de patente

#3.1

10/07/1986

RPI 833

Pedido de patente depositado

#2.1

05/21/1985

RPI 761

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