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Official data from INPI

SISTEMA DE RETORNO INTERNA DE AR DE INVOLUCRO FECHADO DE UNIDADE DE AQUECIMENTO DE AGUA COM CHAPAS DE ACO INOX DISPOSTAS ALTERNADAS

ArquivadaInvention Patent
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Application data

Number

PI8102768

Type

Invention Patent

Filing

04/30/1981

Publication

12/14/1982
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Progress at the INPI

  1. Filing04/30/81
  2. Publication12/14/82
  3. Abandoned04/26/83
  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.

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Latest action published by the INPI: 07/31/1984. We update with every new RPI gazette, published weekly.

Applicants and inventors

Applicants

C. D. (pessoa física)

Inventors

C. D. (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

07/31/1984

RPI 719

Exigência - art. 36 da LPI

#6.1

01/10/1984

RPI 690

Republicação - classificação IPC

#15.11

06/28/1983

RPI 662

Solicitação de exame técnico

#4.1

04/26/1983

RPI 653

Publicação do pedido de patente

#3.1

12/14/1982

RPI 634

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