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Official data from INPI

PROCESSO PARA A PRODUCAO DE UM GAS DE PODER CALORIFICO INTERMEDIARIO

ArquivadaInvention Patent

Application data

Number

PI7801157

Type

Invention Patent

Filing

02/25/1977

Publication

-

Progress at the INPI

  1. Filing02/25/77
  2. Publication
  3. Examination
  4. Allowance03/01/83
  5. Abandoned
  6. In force

The application was allowed on 03/01/1983 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: 12/20/1983. We update with every new RPI gazette, published weekly.

Applicants and inventors

Applicants

EXXON RESEARCH ENGINEERING CO

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Inventors

No inventors listed.

Technical data

IPC Classification

No IPC classification.

Prosecution history

Publications in the Brazilian Industrial Property Gazette (RPI).

Arquivamento - Art. 38 §2° da LPI

#11.4

12/20/1983

RPI 687

Notificação para pagamento de retribuição

#13.1

06/21/1983

RPI 661

Deferimento

#9.1

03/01/1983

RPI 645

Exigência - art. 36 da LPI

#6.1

06/01/1982

RPI 606

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