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Official data from INPI

COMPOSIÇÃO COMBUSTÍVEL TENDO PROPRIEDADES DE LUBRIFICAÇÃO E REDUÇÃO DE DESGASTE APERFEIÇOADAS.

PublicadaInvention Patent

Application data

Number

PI8604134

Type

Invention Patent

Filing

08/29/1986

Publication

04/26/1988

Progress at the INPI

  1. Filing08/29/86
  2. Publication04/26/88
  3. Examination10/02/90
  4. Allowance03/02/93
  5. Abandoned
  6. In force

The application was allowed on 03/02/1993 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: 04/26/1988. We update with every new RPI gazette, published weekly.

Applicants and inventors

Applicants

Exxon Research And Engineering Company

US

See this company's full portfolio

Inventors

J. P. (pessoa física)

M. W. (pessoa física)

US

M. B. (pessoa física)

R. C. (pessoa física)

Technical data

IPC Classification

Prosecution history

Publications in the Brazilian Industrial Property Gazette (RPI).

Publicação do pedido de patente

#3.1

04/26/1988

RPI 914

Pedido de patente depositado

#2.1

03/17/1987

RPI 856

Arquivamento - Art. 38 §2° da LPI

#11.4

10/19/1993

RPI 1194

Notificação para pagamento de retribuição

#13.1

06/15/1993

RPI 1176

Deferimento

#9.1

03/02/1993

RPI 1161

Exigência - art. 36 da LPI

#6.1

10/29/1991

RPI 1091

Solicitação de exame técnico

#4.1

10/02/1990

RPI 1035

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