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Official data from INPI

DISPOSITIVO DE VÁLVULA DE SEGURANÇA DE OBTURAÇÃO NO SENTIDO DE TRÁS PARA A FRENTE PRÓPRIO PARA INTERROMPER AUTOMATICAMENTE A PASSAGEM DE GÁS ATRAVÉS DA RESPECTIVA CONDUTA SEMPRE QUE SE VERIFIQUE QUALQUER DEFICIÊNCIA NO SISTEMA DE REDUÇÃO DE PRESSÃO

PublicadaUtility Model

Application data

Number

MU6701716

Type

Utility Model

Filing

09/01/1987

Publication

04/18/1989

Progress at the INPI

  1. Filing09/01/87
  2. Publication04/18/89
  3. Abandoned04/09/91
  4. Allowance
  5. Grant
  6. In force

The application was abandoned: the INPI technical office action was not answered in time (art. 36 of the Brazilian IP Act). 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

Melika Industrial Co, Ltd.

CN

R. C. (pessoa física)

CN

Inventors

R. C. (pessoa física)

CN

Technical data

IPC Classification

Prosecution history

Publications in the Brazilian Industrial Property Gazette (RPI).

Publicação do pedido de patente

#3.1

04/18/1989

RPI 965

Pedido de patente depositado

#2.1

12/15/1987

RPI 895

Arquivamento - Art. 36 §1° da LPI

#11.2

02/16/1994

RPI 1211

12.4

02/16/1994

RPI 1211

Petição de recurso

#12.2

12/28/1993

RPI 1204

Exigência - art. 36 da LPI

#6.1

07/06/1993

RPI 1179

Solicitação de exame técnico

#4.1

04/09/1991

RPI 1062

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