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Official data from INPI

APERFEIÇOAMENTO EM TROCADORES DE CALOR.

Em AnáliseInvention Patent

Application data

Number

PI8302149

Type

Invention Patent

Filing

04/20/1983

Publication

12/04/1984

Progress at the INPI

  1. Filing04/20/83
  2. Publication12/04/84
  3. Examination03/19/85
  4. Refused08/11/87
  5. Grant
  6. In force

The application was refused on 08/11/1987 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: 08/11/1987. We update with every new RPI gazette, published weekly.

Applicants and inventors

Applicants

Colméia 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

08/11/1987

RPI 877

Petição de recurso

#12.2

07/15/1986

RPI 821

Indeferimento

#9.2

03/25/1986

RPI 805

Pedido de certificado de adição de invenção

#5.1

08/20/1985

RPI 774

Solicitação de exame técnico

#4.1

03/19/1985

RPI 752

Publicação do pedido de patente

#3.1

12/04/1984

RPI 737

Pedido de patente depositado

#2.1

06/14/1983

RPI 660

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