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Official data from INPI

APERFEIÇOAMENTOS EM DISPOSITIVOS DE SEGURANÇA.

Em AnáliseInvention Patent

Application data

Number

PI8701570

Type

Invention Patent

Filing

04/06/1987

Publication

10/06/1987

Progress at the INPI

Under appeal
  1. Filing04/06/87
  2. Publication10/06/87
  3. Examination12/01/87
  4. Refused07/02/91
  5. Grant
  6. In force

The application was refused by the INPI on 07/02/1991. The invention was never patented.

Talk to a specialist

Latest action published by the INPI: 12/01/1987. We update with every new RPI gazette, published weekly.

Applicants and inventors

Applicants

W. B. (pessoa física)

Inventors

W. B. (pessoa física)

Technical data

IPC Classification

Prosecution history

Publications in the Brazilian Industrial Property Gazette (RPI).

Solicitação de exame técnico

#4.1

12/01/1987

RPI 893

Publicação antecipada

#3.2

10/06/1987

RPI 885

Pedido de patente depositado

#2.1

07/14/1987

RPI 873

Indeferimento

#9.2

07/02/1991

RPI 1074

Conhecimento de parecer técnico

#7.1

09/25/1990

RPI 1034

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