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Official data from INPI

REMOÇÃO DE ÓXIDO DO ENXOFRE DE GÁS.

ArquivadaInvention Patent

Application data

Number

PI7909040

Type

Invention Patent

Filing

10/01/1979

Publication

-

Progress at the INPI

  1. Filing10/01/79
  2. Publication
  3. Examination05/17/83
  4. Allowance08/28/84
  5. Abandoned
  6. In force

The application was allowed on 08/28/1984 but abandoned for failure to pay the grant fee (art. 38 of the Brazilian IP Act). The letters patent were never issued.

Talk to a specialist

Latest action published by the INPI: 06/11/1985. We update with every new RPI gazette, published weekly.

Applicants and inventors

Applicants

Combustion Engineering, Inc.

US

See this company's full portfolio

Inventors

A. N. (pessoa física)

Technical data

IPC Classification

No IPC classification.

Priority claims

US

79/00802 · 10/01/1979

Prosecution history

Publications in the Brazilian Industrial Property Gazette (RPI).

Arquivamento - Art. 38 §2° da LPI

#11.4

06/11/1985

RPI 764

Notificação para pagamento de retribuição

#13.1

12/26/1984

RPI 740

Deferimento

#9.1

08/28/1984

RPI 723

Exigência - art. 36 da LPI

#6.1

11/01/1983

RPI 680

Solicitação de exame técnico

#4.1

05/17/1983

RPI 656

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