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Official data from INPI

Vedação aperfeiçoada para tubos de radiadores ou trocadores de calor, particularmente para aplicações automotivas.

Em AnáliseInvention Patent

Application data

Number

PI8102437

Type

Invention Patent

Filing

04/15/1981

Publication

11/30/1982

Progress at the INPI

  1. Filing04/15/81
  2. Publication11/30/82
  3. Examination10/11/83
  4. Refused10/08/85
  5. Grant
  6. In force

The application was refused on 10/08/1985 and the appeal did not change the decision. The invention was never patented and the technology is in the public domain in Brazil.

Talk to a specialist

Latest action published by the INPI: 10/08/1985. We update with every new RPI gazette, published weekly.

Applicants and inventors

Applicants

C. B. (pessoa física)

Inventors

B. C. (pessoa física)

Technical data

Prosecution history

Publications in the Brazilian Industrial Property Gazette (RPI).

111

10/08/1985

RPI 781

Petição de recurso

#12.2

08/14/1984

RPI 721

Indeferimento

#9.2

04/24/1984

RPI 705

Solicitação de exame técnico

#4.1

10/11/1983

RPI 677

Publicação do pedido de patente

#3.1

11/30/1982

RPI 632

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