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Official data from INPI

APERFEIÇOAMENTO EM PERMUTADORES DE CALOR.

Em AnáliseInvention Patent

Application data

Number

PI8400295

Type

Invention Patent

Filing

01/20/1984

Publication

08/27/1985

Progress at the INPI

  1. Filing01/20/84
  2. Publication08/27/85
  3. Examination12/03/85
  4. Refused07/19/88
  5. Grant
  6. In force

The application was refused on 07/19/1988 and the appeal did not change the decision. The invention was never patented and the technology is in the public domain in Brazil.

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Latest action published by the INPI: 07/19/1988. We update with every new RPI gazette, published weekly.

Applicants and inventors

Applicants

Colmeia S/A Indústria Paulista de Radiadores

SP, BR

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Inventors

T. V. (pessoa física)

Technical data

IPC Classification

Prosecution history

Publications in the Brazilian Industrial Property Gazette (RPI).

111

07/19/1988

RPI 926

Petição de recurso

#12.2

03/08/1988

RPI 907

Indeferimento

#9.2

11/10/1987

RPI 890

Republicação - classificação IPC

#15.11

05/05/1987

RPI 863

Conhecimento de parecer técnico

#7.1

11/18/1986

RPI 839

Pedido de certificado de adição de invenção

#5.1

04/29/1986

RPI 810

Solicitação de exame técnico

#4.1

12/03/1985

RPI 789

Publicação do pedido de patente

#3.1

08/27/1985

RPI 775

Pedido de patente depositado

#2.1

04/10/1984

RPI 703

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