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Official data from INPI

SISTEMA APERFEIÇOADO DE CONTROLE PARA MANTER A TEMPERATURA DE SAÍDA DE UM FLUÍDO DE PROCESSO, PROCESSO PARA USAR O SISTEMA E CALDEIRA APERFEIÇOADA.

ArquivadaInvention Patent

Application data

Number

PI8401630

Type

Invention Patent

Filing

04/06/1984

Publication

03/26/1985

Progress at the INPI

  1. Filing04/06/84
  2. Publication03/26/85
  3. Abandoned
  4. Allowance
  5. Grant
  6. In force

The application was abandoned: examination was not requested within the 36 months following the 04/06/1984 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: 06/23/1987. We update with every new RPI gazette, published weekly.

Applicants and inventors

Applicants

Exxon Research And Engineering Company

US

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Inventors

H. M. (pessoa física)

M. T. (pessoa física)

Technical data

IPC Classification

Priority claims

US

502.816 · 06/09/1983

Prosecution history

Publications in the Brazilian Industrial Property Gazette (RPI).

Arquivamento - Art. 33 da LPI

#11.1

06/23/1987

RPI 870

Republicação - classificação IPC

#15.11

06/04/1985

RPI 763

Publicação do pedido de patente

#3.1

03/26/1985

RPI 753

Pedido de patente depositado

#2.1

06/19/1984

RPI 713

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