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Official data from INPI

PROCESSO PARA A PRODUCAO DE NEGRO DE FUMO;COMPOSICAO DE BORRACHA E REATOR TUBULAR DE NEGRO DE FUMO

ArquivadaInvention Patent

Application data

Number

PI7702528

Type

Invention Patent

Filing

04/30/1976

Publication

-

Progress at the INPI

  1. Filing04/30/76
  2. Publication
  3. Examination
  4. Allowance09/20/83
  5. Abandoned
  6. In force

The application was allowed on 09/20/1983 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: 06/19/1984. We update with every new RPI gazette, published weekly.

Applicants and inventors

Applicants

PHILLIPS PETROLEUM CO

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Inventors

No inventors listed.

Technical data

IPC Classification

Prosecution history

Publications in the Brazilian Industrial Property Gazette (RPI).

Arquivamento - Art. 38 §2° da LPI

#11.4

06/19/1984

RPI 713

Notificação para pagamento de retribuição

#13.1

01/03/1984

RPI 689

Deferimento

#9.1

09/20/1983

RPI 674

Republicação - classificação IPC

#15.11

04/26/1983

RPI 653

Exigência - art. 36 da LPI

#6.1

02/08/1983

RPI 642

6.2

12/29/1981

RPI 584

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