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Official data from INPI

APERFEIÇOAMENTOS EM PERMUTADORES DE CALOR

Em AnáliseInvention Patent

Application data

Number

PI8203662

Type

Invention Patent

Filing

07/01/1982

Publication

01/24/1984

Progress at the INPI

  1. Filing07/01/82
  2. Publication01/24/84
  3. Examination04/17/84
  4. Refused07/07/87
  5. Grant
  6. In force

The application was refused on 07/07/1987 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: 07/07/1987. We update with every new RPI gazette, published weekly.

Applicants and inventors

Applicants

Colmeia S/A Indústria Paulista de Radiadores

SP, BR

See this company's full portfolio

Inventors

C. F. (pessoa física)

BR

Technical data

IPC Classification

No IPC classification.

Prosecution history

Publications in the Brazilian Industrial Property Gazette (RPI).

111

07/07/1987

RPI 872

Petição de recurso

#12.2

05/28/1985

RPI 762

Indeferimento

#9.2

01/02/1985

RPI 741

Pedido de certificado de adição de invenção

#5.1

09/04/1984

RPI 724

Solicitação de exame técnico

#4.1

04/17/1984

RPI 704

Publicação do pedido de patente

#3.1

01/24/1984

RPI 692

Pedido de patente depositado

#2.1

08/10/1982

RPI 616

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