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Official data from INPI

PROCESSO PARA CONDUZIR REACOES INDUZIDAS POR DESCARGA CORONA;APERFEICOAMENTO EM PROCESSO PARA OTIMIZAR A FREQUENCIA E A DURACAO DE UMPULSOS SOB A QUAL UMA CELULA DE DESCARGA CORONA E OPERADA;PROCESSO PARA PRODUZIR OZONIO POR DESCARGA CORONA;E APARELHO PARA CONDUZIR REACOES DE DESCARGA CORONA

Em AnáliseInvention Patent

Application data

Number

PI7602170

Type

Invention Patent

Filing

04/09/1976

Publication

-

Progress at the INPI

  1. Filing04/09/76
  2. Publication
  3. Examination
  4. Allowance
  5. Grant
  6. Terminated11/17/87

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

Talk to a specialist

Latest action published by the INPI: 11/17/1987. We update with every new RPI gazette, published weekly.

Applicants and inventors

Applicants

UNION CARBIDE CORP

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Inventors

L. F. (pessoa física)

Technical data

IPC Classification

No IPC classification.

Prosecution history

Publications in the Brazilian Industrial Property Gazette (RPI).

Anuidade - prazo legal encerrado

#18.2

11/17/1987

RPI 891

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