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Official data from INPI

COMPOSICAO LUBRIFICANTE COM PROPRIEDADES ANTIFRICCAO APERFEICOADAS

ArquivadaInvention Patent
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Application data

Number

PI7803482

Type

Invention Patent

Filing

05/31/1978

Publication

-
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Progress at the INPI

  1. Filing05/31/78
  2. Publication
  3. Examination02/24/82
  4. Allowance11/03/87
  5. Abandoned
  6. In force

The application was allowed on 11/03/1987 but abandoned for failure to pay the grant fee (art. 38 of the Brazilian IP Act). The letters patent were never issued.

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Latest action published by the INPI: 11/08/1988. 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

C10M 1/48C10M 3/42

Prosecution history

Publications in the Brazilian Industrial Property Gazette (RPI).

Arquivamento - Art. 38 §2° da LPI

#11.4

11/08/1988

RPI 942

Notificação para pagamento de retribuição

#13.1

03/01/1988

RPI 906

Deferimento

#9.1

11/03/1987

RPI 889

Conhecimento de parecer técnico

#7.1

01/27/1987

RPI 849

Republicação - classificação IPC

#15.11

08/27/1985

RPI 775

Exigência - art. 36 da LPI

#6.1

10/23/1984

RPI 731

Exigência - art. 36 da LPI

#6.1

01/24/1984

RPI 692

Exigência - art. 36 da LPI

#6.1

02/08/1983

RPI 642

Solicitação de exame técnico

#4.1

02/24/1982

RPI 592

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