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Official data from INPI

APERFEIÇOAMENTO EM PERMUTADORES DE CALOR.

Em AnáliseInvention Patent

Application data

Number

PI8108090

Type

Invention Patent

Filing

12/10/1981

Publication

09/13/1983

Progress at the INPI

  1. Filing12/10/81
  2. Publication09/13/83
  3. Examination12/06/83
  4. Refused06/09/87
  5. Grant
  6. In force

The application was refused on 06/09/1987 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: 06/09/1987. 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

F. D. (pessoa física)

Technical data

IPC Classification

Prosecution history

Publications in the Brazilian Industrial Property Gazette (RPI).

111

06/09/1987

RPI 868

Petição de recurso

#12.2

05/06/1986

RPI 811

Indeferimento

#9.2

12/31/1985

RPI 793

Conhecimento de parecer técnico

#7.1

11/06/1984

RPI 733

Exigência - art. 36 da LPI

#6.1

05/08/1984

RPI 707

Solicitação de exame técnico

#4.1

12/06/1983

RPI 685

Publicação do pedido de patente

#3.1

09/13/1983

RPI 673

Pedido de patente depositado

#2.1

02/09/1982

RPI 590

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