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Official data from INPI

PRESSOSTATO,TERMOSTATO,FLUXOSTATO,CHAVE DE NIVEL E BOTOEIRA EM AREAS EXPLOSIVAS

Em AnáliseUtility Model

Application data

Number

MU6702016

Type

Utility Model

Filing

09/04/1987

Publication

01/19/1988

Progress at the INPI

Under appeal
  1. Filing09/04/87
  2. Publication01/19/88
  3. Examination03/29/88
  4. Refused02/19/91
  5. Grant
  6. In force

The application was refused by the INPI on 02/19/1991. The invention was never patented.

Talk to a specialist

Latest action published by the INPI: 03/29/1988. We update with every new RPI gazette, published weekly.

Applicants and inventors

Applicants

IEF BRISTOL CONTROLES INSTR E [BR]

Inventors

L. Y. (pessoa física)

Technical data

IPC Classification

Prosecution history

Publications in the Brazilian Industrial Property Gazette (RPI).

Solicitação de exame técnico

#4.1

03/29/1988

RPI 910

Publicação antecipada

#3.2

01/19/1988

RPI 900

Pedido de patente depositado

#2.1

12/29/1987

RPI 897

Indeferimento

#9.2

02/19/1991

RPI 1055

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