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Official data from INPI

PROCESSO APERFEICOADO DE LAVAGEM NA PRODUCAO DE DIOXIDO DE CLORO E APARELHO PARA GERACAO DE DIOXIDO DE CLORO PRODUZIDO PELO DITO PROCESSO

Em AnáliseInvention Patent

Application data

Number

PI7808556

Type

Invention Patent

Filing

01/03/1978

Publication

-

Progress at the INPI

  1. Filing01/03/78
  2. Publication
  3. Examination
  4. Allowance01/31/84
  5. Grant07/31/84
  6. Terminated05/17/88

The patent was granted on 07/31/1984 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: 05/17/1988. We update with every new RPI gazette, published weekly.

Applicants and inventors

Applicants

ERCO IND LTD

Inventors

C. G. (pessoa física)

D. P. (pessoa física)

Technical data

Prosecution history

Publications in the Brazilian Industrial Property Gazette (RPI).

Anuidade - prazo legal encerrado

#18.2

05/17/1988

RPI 917

Concessão da patente

#16.1

07/31/1984

RPI 719

Notificação para pagamento de retribuição

#13.1

05/15/1984

RPI 708

Deferimento

#9.1

01/31/1984

RPI 693

Exigência - art. 36 da LPI

#6.1

07/13/1982

RPI 612

6.2

12/29/1981

RPI 584

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