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Official data from INPI

PROCESSO PARA CONVERSAO DE MATERIAL SOLIDO CARBONIFERO DE ALIMENTACAO

ArquivadaInvention Patent

Application data

Number

PI7800385

Type

Invention Patent

Filing

01/24/1977

Publication

-

Progress at the INPI

  1. Filing01/24/77
  2. Publication
  3. Examination
  4. Allowance03/22/83
  5. Abandoned
  6. In force

The application was allowed on 03/22/1983 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: 12/02/1986. We update with every new RPI gazette, published weekly.

Applicants and inventors

Applicants

EXXON RESEARCH ENGINEERING CO

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Inventors

C. L. (pessoa física)

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

12/02/1986

RPI 841

Notificação para pagamento de retribuição

#13.1

05/13/1986

RPI 812

110

02/04/1986

RPI 798

Recurso

#12.1

07/12/1983

RPI 664

Deferimento

#9.1

03/22/1983

RPI 648

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