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Official data from INPI

DEFLETOR DESTINADO A SER INTRODUZIDO EM UM TUBO DE CIRCULACAO DE LIQUIDO DE UM INTERCAMBIADOR DE CALOR,PROCESSO RESPECTIVO DE FABRICACAO E INTERCAMBIADOR EQUIPADO COM TAIS DEFLETORES

ConcedidaInvention Patent

Application data

Number

PI7605099

Type

Invention Patent

Filing

08/06/1975

Publication

-

Progress at the INPI

  1. Filing08/06/75
  2. Publication
  3. Examination
  4. Allowance
  5. Grant05/25/82
  6. Terminated10/23/90

The patent was granted on 05/25/1982 and later terminated for failure to pay the annuities. The technology is in the public domain in Brazil.

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Latest action published by the INPI: 05/25/1982. We update with every new RPI gazette, published weekly.

Applicants and inventors

Applicants

FERODO SA

FR DU FERRODO SA

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Inventors

N. R. (pessoa física)

Technical data

IPC Classification

Prosecution history

Publications in the Brazilian Industrial Property Gazette (RPI).

Concessão da patente

#16.1

05/25/1982

RPI 605

Anuidade - prazo legal encerrado

#18.2

10/23/1990

RPI 1038

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