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Official data from INPI

SISTEMA DIFERENCIAL DE PRESSÃO DE TRATAMENTO DE AR.

Em ExigênciaInvention Patent

Application data

Number

PI8505928

Type

Invention Patent

Filing

10/29/1985

Publication

09/09/1986

Progress at the INPI

Under appeal
  1. Filing10/29/85
  2. Publication09/09/86
  3. Examination11/17/87
  4. Refused03/26/96
  5. Grant
  6. In force

The application was refused by the INPI on 03/26/1996. The invention was never patented.

Talk to a specialist

Latest action published by the INPI: 08/08/1989. We update with every new RPI gazette, published weekly.

Applicants and inventors

Applicants

G. G. (pessoa física)

SC, BR

Inventors

G. [. (pessoa física)

Technical data

IPC Classification

Prosecution history

Publications in the Brazilian Industrial Property Gazette (RPI).

Exigência - art. 36 da LPI

#6.1

08/08/1989

RPI 981

Retificação

#15.6

04/11/1989

RPI 964

Retificação

#15.3

01/31/1989

RPI 954

Solicitação de exame técnico

#4.1

11/17/1987

RPI 891

Publicação antecipada

#3.2

09/09/1986

RPI 829

Pedido de patente depositado

#2.1

01/28/1986

RPI 797

Indeferimento

#9.2

03/26/1996

RPI 1321

Conhecimento de parecer técnico

#7.1

06/20/1995

RPI 1281

15.7

06/18/1991

RPI 1072

Retificação

#15.3

01/22/1991

RPI 1051

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