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Official data from INPI

SISTEMA DE AQUECIMENTO COM QUEIMADOR AUTOMÁTICO E CALDEIRA

PublicadaInvention Patent

Application data

Number

PI8902979

Type

Invention Patent

Filing

06/20/1989

Publication

11/14/1989

Progress at the INPI

Under appeal
  1. Filing06/20/89
  2. Publication11/14/89
  3. Examination01/09/90
  4. Refused09/22/92
  5. Grant
  6. In force

The application was refused by the INPI on 09/22/1992. The invention was never patented.

Talk to a specialist

Latest action published by the INPI: 11/14/1989. We update with every new RPI gazette, published weekly.

Applicants and inventors

Applicants

J. F. (pessoa física)

RJ, BR

Inventors

J. F. (pessoa física)

BR

Technical data

IPC Classification

Prosecution history

Publications in the Brazilian Industrial Property Gazette (RPI).

Publicação antecipada

#3.2

11/14/1989

RPI 995

Pedido de patente depositado

#2.1

08/01/1989

RPI 980

Indeferimento

#9.2

09/22/1992

RPI 1138

Solicitação de exame técnico

#4.1

01/09/1990

RPI 1001

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