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Official data from INPI

CENTRO DE PRÉ-AQUECIMENTO DO CALDEIRO OU CAÇO POR MEIO DE AR QUENTE E O RESPECTIVO PROCESSO DE AQUECIMENTO

ArquivadaInvention Patent

Application data

Number

PI8203885

Type

Invention Patent

Filing

07/02/1982

Publication

12/20/1983

Progress at the INPI

  1. Filing07/02/82
  2. Publication12/20/83
  3. Abandoned
  4. Allowance
  5. Grant
  6. In force

The application was abandoned: examination was not requested within the 36 months following the 07/02/1982 filing, the deadline set by art. 33 of the Brazilian IP Act. The technology is in the public domain in Brazil.

Talk to a specialist

Latest action published by the INPI: 04/01/1986. We update with every new RPI gazette, published weekly.

Applicants and inventors

Applicants

Bloom Engineering Company Inc

US

Inventors

J. J. (pessoa física)

US

Technical data

IPC Classification

Priority claims

US

337,446 · 01/06/1982

Prosecution history

Publications in the Brazilian Industrial Property Gazette (RPI).

Arquivamento - Art. 33 da LPI

#11.1

04/01/1986

RPI 806

Publicação do pedido de patente

#3.1

12/20/1983

RPI 687

Pedido de patente depositado

#2.1

08/17/1982

RPI 617

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