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Official data from INPI

DISPOSITIVO DE RECIRCULAÇÃO POR DIFERENCIAL DE PRESSÃO, E AQUECIMENTO,PARA ACOPLAMENTO EM APARELHO ELÉTRICO APERFEIÇOADO PARA RENOVAÇÃO E/OU RECONSTITUIÇÃO DE CONDIÇÕES NATURAIS EM AMBIENTES FECHADOS.

ArquivadaInvention Patent

Application data

Number

PI8304880

Type

Invention Patent

Filing

09/08/1983

Publication

02/07/1984

Progress at the INPI

  1. Filing09/08/83
  2. Publication02/07/84
  3. Abandoned07/17/84
  4. Allowance
  5. Grant
  6. In force

The application was abandoned: the INPI technical office action was not answered in time (art. 36 of the Brazilian IP Act). The technology is in the public domain in Brazil.

Talk to a specialist

Latest action published by the INPI: 04/22/1986. We update with every new RPI gazette, published weekly.

Applicants and inventors

Applicants

E. Rezende Comércio, Importação e Exportação Ltda

Inventors

E. B. (pessoa física)

Technical data

IPC Classification

No IPC classification.

Prosecution history

Publications in the Brazilian Industrial Property Gazette (RPI).

Arquivamento - Art. 36 §1° da LPI

#11.2

04/22/1986

RPI 809

Exigência - art. 36 da LPI

#6.1

07/09/1985

RPI 768

Solicitação de exame técnico

#4.1

07/17/1984

RPI 717

Publicação antecipada

#3.2

02/07/1984

RPI 694

Pedido de patente depositado

#2.1

11/08/1983

RPI 681

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