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Official data from INPI

PROCESSO DE RECUPERACAO DE GASES DE DIOXIDO DE ENXOFRE,PROCESSO PARA DESSULFURACAO DE GASES,PROCESSO PARA REGENERAR DIOXIDO DE ENXOFRE E PROCESSO PARA REMOCAO DE DIOXIDO DE ENXOFRE DE GASES

Em AnáliseInvention Patent

Application data

Number

PI7801208

Type

Invention Patent

Filing

03/04/1977

Publication

-

Progress at the INPI

  1. Filing03/04/77
  2. Publication
  3. Examination
  4. Allowance04/19/83
  5. Grant11/29/83
  6. Terminated06/14/88

The patent was granted on 11/29/1983 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: 06/14/1988. We update with every new RPI gazette, published weekly.

Applicants and inventors

Applicants

P. S. (pessoa física)

Inventors

V. S. (pessoa física)

Technical data

IPC Classification

Prosecution history

Publications in the Brazilian Industrial Property Gazette (RPI).

Anuidade - prazo legal encerrado

#18.2

06/14/1988

RPI 921

Concessão da patente

#16.1

11/29/1983

RPI 684

Notificação para pagamento de retribuição

#13.1

09/06/1983

RPI 672

Deferimento

#9.1

04/19/1983

RPI 652

Republicação - classificação IPC

#15.11

11/30/1982

RPI 632

Exigência - art. 36 da LPI

#6.1

09/14/1982

RPI 621

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